Finding the Fourth Proportional to 814,250.60, 1,220,785.41 and 547,349.12
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Solution
The fourth proportional to 814,250.60, 1,220,785.41 and 547,349.12 is: 820,626.75
Step by Step Solution
- Step 1: Write the proportion equation
814,250.60 : 1,220,785.41 = 547,349.12 : x - Step 2: Convert to fraction form
814,250.60/1,220,785.41 = 547,349.12/x - Step 3: Cross multiply
814,250.60x = 1,220,785.41 × 547,349.12 - Step 4: Simplify right side
814,250.60x = 668,195,819,872.34 - Step 5: Solve for x
x = 668,195,819,872.34/814,250.60 - Step 6: Final answer
x = 820,626.75
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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.