Finding the Fourth Proportional to 504,310.91, 695,949.31 and 286,519.96
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Solution
The fourth proportional to 504,310.91, 695,949.31 and 286,519.96 is: 395,397.70
Step by Step Solution
- Step 1: Write the proportion equation
504,310.91 : 695,949.31 = 286,519.96 : x - Step 2: Convert to fraction form
504,310.91/695,949.31 = 286,519.96/x - Step 3: Cross multiply
504,310.91x = 695,949.31 × 286,519.96 - Step 4: Simplify right side
504,310.91x = 199,403,369,691.31 - Step 5: Solve for x
x = 199,403,369,691.31/504,310.91 - Step 6: Final answer
x = 395,397.70
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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.