Finding the Fourth Proportional to 753,981.68, 1,040,517.24 and 431,796.08
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Solution
The fourth proportional to 753,981.68, 1,040,517.24 and 431,796.08 is: 595,891.49
Step by Step Solution
- Step 1: Write the proportion equation
753,981.68 : 1,040,517.24 = 431,796.08 : x - Step 2: Convert to fraction form
753,981.68/1,040,517.24 = 431,796.08/x - Step 3: Cross multiply
753,981.68x = 1,040,517.24 × 431,796.08 - Step 4: Simplify right side
753,981.68x = 449,291,265,404.42 - Step 5: Solve for x
x = 449,291,265,404.42/753,981.68 - Step 6: Final answer
x = 595,891.49
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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.