Finding the Fourth Proportional to 656,201.80, 984,302.70 and 389,825.20
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Solution
The fourth proportional to 656,201.80, 984,302.70 and 389,825.20 is: 584,737.80
Step by Step Solution
- Step 1: Write the proportion equation
656,201.80 : 984,302.70 = 389,825.20 : x - Step 2: Convert to fraction form
656,201.80/984,302.70 = 389,825.20/x - Step 3: Cross multiply
656,201.80x = 984,302.70 × 389,825.20 - Step 4: Simplify right side
656,201.80x = 383,705,996,888.04 - Step 5: Solve for x
x = 383,705,996,888.04/656,201.80 - Step 6: Final answer
x = 584,737.80
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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.