Finding the Fourth Proportional to 527,010.59, 727,269.68 and 285,286.95
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Solution
The fourth proportional to 527,010.59, 727,269.68 and 285,286.95 is: 393,693.32
Step by Step Solution
- Step 1: Write the proportion equation
527,010.59 : 727,269.68 = 285,286.95 : x - Step 2: Convert to fraction form
527,010.59/727,269.68 = 285,286.95/x - Step 3: Cross multiply
527,010.59x = 727,269.68 × 285,286.95 - Step 4: Simplify right side
527,010.59x = 207,480,547,408.24 - Step 5: Solve for x
x = 207,480,547,408.24/527,010.59 - Step 6: Final answer
x = 393,693.32
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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.