Finding the Fourth Proportional to 852,704.80, 1,279,057.20 and 498,119.20
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Solution
The fourth proportional to 852,704.80, 1,279,057.20 and 498,119.20 is: 747,178.80
Step by Step Solution
- Step 1: Write the proportion equation
852,704.80 : 1,279,057.20 = 498,119.20 : x - Step 2: Convert to fraction form
852,704.80/1,279,057.20 = 498,119.20/x - Step 3: Cross multiply
852,704.80x = 1,279,057.20 × 498,119.20 - Step 4: Simplify right side
852,704.80x = 637,122,949,218.24 - Step 5: Solve for x
x = 637,122,949,218.24/852,704.80 - Step 6: Final answer
x = 747,178.80
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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.