Finding the Fourth Proportional to 432,781.17, 597,404.69 and 387,379.05
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Solution
The fourth proportional to 432,781.17, 597,404.69 and 387,379.05 is: 534,732.28
Step by Step Solution
- Step 1: Write the proportion equation
432,781.17 : 597,404.69 = 387,379.05 : x - Step 2: Convert to fraction form
432,781.17/597,404.69 = 387,379.05/x - Step 3: Cross multiply
432,781.17x = 597,404.69 × 387,379.05 - Step 4: Simplify right side
432,781.17x = 231,422,062,246.19 - Step 5: Solve for x
x = 231,422,062,246.19/432,781.17 - Step 6: Final answer
x = 534,732.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.