Finding the Fourth Proportional to 656,475.60, 984,119.40 and 456,891.60
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Solution
The fourth proportional to 656,475.60, 984,119.40 and 456,891.60 is: 684,923.99
Step by Step Solution
- Step 1: Write the proportion equation
656,475.60 : 984,119.40 = 456,891.60 : x - Step 2: Convert to fraction form
656,475.60/984,119.40 = 456,891.60/x - Step 3: Cross multiply
656,475.60x = 984,119.40 × 456,891.60 - Step 4: Simplify right side
656,475.60x = 449,635,887,257.04 - Step 5: Solve for x
x = 449,635,887,257.04/656,475.60 - Step 6: Final answer
x = 684,923.99
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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.