Finding the Fourth Proportional to 527,562.20, 727,634.14 and 454,099.68
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Solution
The fourth proportional to 527,562.20, 727,634.14 and 454,099.68 is: 626,311.80
Step by Step Solution
- Step 1: Write the proportion equation
527,562.20 : 727,634.14 = 454,099.68 : x - Step 2: Convert to fraction form
527,562.20/727,634.14 = 454,099.68/x - Step 3: Cross multiply
527,562.20x = 727,634.14 × 454,099.68 - Step 4: Simplify right side
527,562.20x = 330,418,430,131.08 - Step 5: Solve for x
x = 330,418,430,131.08/527,562.20 - Step 6: Final answer
x = 626,311.80
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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.