Finding the Fourth Proportional to 755,990.46, 1,043,217.24 and 416,458.68
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Solution
The fourth proportional to 755,990.46, 1,043,217.24 and 416,458.68 is: 574,685.66
Step by Step Solution
- Step 1: Write the proportion equation
755,990.46 : 1,043,217.24 = 416,458.68 : x - Step 2: Convert to fraction form
755,990.46/1,043,217.24 = 416,458.68/x - Step 3: Cross multiply
755,990.46x = 1,043,217.24 × 416,458.68 - Step 4: Simplify right side
755,990.46x = 434,456,874,723.64 - Step 5: Solve for x
x = 434,456,874,723.64/755,990.46 - Step 6: Final answer
x = 574,685.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.