Finding the Fourth Proportional to 958,121.98, 1,436,937.72 and 284,045.74
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Solution
The fourth proportional to 958,121.98, 1,436,937.72 and 284,045.74 is: 425,995.90
Step by Step Solution
- Step 1: Write the proportion equation
958,121.98 : 1,436,937.72 = 284,045.74 : x - Step 2: Convert to fraction form
958,121.98/1,436,937.72 = 284,045.74/x - Step 3: Cross multiply
958,121.98x = 1,436,937.72 × 284,045.74 - Step 4: Simplify right side
958,121.98x = 408,156,038,011.31 - Step 5: Solve for x
x = 408,156,038,011.31/958,121.98 - Step 6: Final answer
x = 425,995.90
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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.