Finding the Fourth Proportional to 667,595.44, 921,318.60 and 381,207.52
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Solution
The fourth proportional to 667,595.44, 921,318.60 and 381,207.52 is: 526,087.44
Step by Step Solution
- Step 1: Write the proportion equation
667,595.44 : 921,318.60 = 381,207.52 : x - Step 2: Convert to fraction form
667,595.44/921,318.60 = 381,207.52/x - Step 3: Cross multiply
667,595.44x = 921,318.60 × 381,207.52 - Step 4: Simplify right side
667,595.44x = 351,213,578,635.87 - Step 5: Solve for x
x = 351,213,578,635.87/667,595.44 - Step 6: Final answer
x = 526,087.44
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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.