Finding the Fourth Proportional to 667,251.09, 920,872.36 and 380,814.03
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Solution
The fourth proportional to 667,251.09, 920,872.36 and 380,814.03 is: 525,560.94
Step by Step Solution
- Step 1: Write the proportion equation
667,251.09 : 920,872.36 = 380,814.03 : x - Step 2: Convert to fraction form
667,251.09/920,872.36 = 380,814.03/x - Step 3: Cross multiply
667,251.09x = 920,872.36 × 380,814.03 - Step 4: Simplify right side
667,251.09x = 350,681,109,922.85 - Step 5: Solve for x
x = 350,681,109,922.85/667,251.09 - Step 6: Final answer
x = 525,560.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.