Finding the Fourth Proportional to 527,462.82, 727,895.70 and 285,750.09
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Solution
The fourth proportional to 527,462.82, 727,895.70 and 285,750.09 is: 394,333.50
Step by Step Solution
- Step 1: Write the proportion equation
527,462.82 : 727,895.70 = 285,750.09 : x - Step 2: Convert to fraction form
527,462.82/727,895.70 = 285,750.09/x - Step 3: Cross multiply
527,462.82x = 727,895.70 × 285,750.09 - Step 4: Simplify right side
527,462.82x = 207,996,261,785.61 - Step 5: Solve for x
x = 207,996,261,785.61/527,462.82 - Step 6: Final answer
x = 394,333.50
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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.