Finding the Fourth Proportional to 517,585.98, 714,301.28 and 313,654.74
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Solution
The fourth proportional to 517,585.98, 714,301.28 and 313,654.74 is: 432,863.31
Step by Step Solution
- Step 1: Write the proportion equation
517,585.98 : 714,301.28 = 313,654.74 : x - Step 2: Convert to fraction form
517,585.98/714,301.28 = 313,654.74/x - Step 3: Cross multiply
517,585.98x = 714,301.28 × 313,654.74 - Step 4: Simplify right side
517,585.98x = 224,043,983,044.20 - Step 5: Solve for x
x = 224,043,983,044.20/517,585.98 - Step 6: Final answer
x = 432,863.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.