Finding the Fourth Proportional to 527,310.70, 727,685.14 and 285,587.74
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Solution
The fourth proportional to 527,310.70, 727,685.14 and 285,587.74 is: 394,109.12
Step by Step Solution
- Step 1: Write the proportion equation
527,310.70 : 727,685.14 = 285,587.74 : x - Step 2: Convert to fraction form
527,310.70/727,685.14 = 285,587.74/x - Step 3: Cross multiply
527,310.70x = 727,685.14 × 285,587.74 - Step 4: Simplify right side
527,310.70x = 207,817,954,564.18 - Step 5: Solve for x
x = 207,817,954,564.18/527,310.70 - Step 6: Final answer
x = 394,109.12
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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.