Finding the Fourth Proportional to 437,711.20, 656,566.80 and 382,415.20
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Solution
The fourth proportional to 437,711.20, 656,566.80 and 382,415.20 is: 573,622.80
Step by Step Solution
- Step 1: Write the proportion equation
437,711.20 : 656,566.80 = 382,415.20 : x - Step 2: Convert to fraction form
437,711.20/656,566.80 = 382,415.20/x - Step 3: Cross multiply
437,711.20x = 656,566.80 × 382,415.20 - Step 4: Simplify right side
437,711.20x = 251,081,124,135.36 - Step 5: Solve for x
x = 251,081,124,135.36/437,711.20 - Step 6: Final answer
x = 573,622.80
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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.