Finding the Fourth Proportional to 703,446.74, 970,757.36 and 381,156.59
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Solution
The fourth proportional to 703,446.74, 970,757.36 and 381,156.59 is: 525,996.55
Step by Step Solution
- Step 1: Write the proportion equation
703,446.74 : 970,757.36 = 381,156.59 : x - Step 2: Convert to fraction form
703,446.74/970,757.36 = 381,156.59/x - Step 3: Cross multiply
703,446.74x = 970,757.36 × 381,156.59 - Step 4: Simplify right side
703,446.74x = 370,010,561,154.11 - Step 5: Solve for x
x = 370,010,561,154.11/703,446.74 - Step 6: Final answer
x = 525,996.55
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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.