Finding the Fourth Proportional to 957,872.88, 1,436,920.50 and 318,233.70
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Solution
The fourth proportional to 957,872.88, 1,436,920.50 and 318,233.70 is: 477,387.49
Step by Step Solution
- Step 1: Write the proportion equation
957,872.88 : 1,436,920.50 = 318,233.70 : x - Step 2: Convert to fraction form
957,872.88/1,436,920.50 = 318,233.70/x - Step 3: Cross multiply
957,872.88x = 1,436,920.50 × 318,233.70 - Step 4: Simplify right side
957,872.88x = 457,276,527,320.85 - Step 5: Solve for x
x = 457,276,527,320.85/957,872.88 - Step 6: Final answer
x = 477,387.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.