Finding the Fourth Proportional to 703,447.11, 970,757.88 and 381,156.96
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Solution
The fourth proportional to 703,447.11, 970,757.88 and 381,156.96 is: 525,997.08
Step by Step Solution
- Step 1: Write the proportion equation
703,447.11 : 970,757.88 = 381,156.96 : x - Step 2: Convert to fraction form
703,447.11/970,757.88 = 381,156.96/x - Step 3: Cross multiply
703,447.11x = 970,757.88 × 381,156.96 - Step 4: Simplify right side
703,447.11x = 370,011,122,436.85 - Step 5: Solve for x
x = 370,011,122,436.85/703,447.11 - Step 6: Final answer
x = 525,997.08
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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.