One has grown at an average annual rate of 55.6%, enough to turn $1,000 into more than $758,000!

There's nothing like a good growth stock -- tied to a company growing at a faster-than-average rate. Many growth stocks have made investors much richer, though not every growth stock will turn out to be a winner.

Here are four growth stocks to consider, each of which has a promising future and a reasonable recent valuation. See which one(s) are a good fit for your long-term portfolio.

1. Nvidia

It's hard not to notice Nvidia ( NVDA 0.58% ) these days, as it has posted boffo gains over many years. Over the past 15 years, it has grown at an average annual rate of 56.1%, enough to turn $1,000 into more than $790,000! Over the past three years, it has averaged annual gains of 116.5%.

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