Finding the Fourth Proportional to 861,968.97, 1,292,954.18 and 270,992.97
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Solution
The fourth proportional to 861,968.97, 1,292,954.18 and 270,992.97 is: 406,489.68
Step by Step Solution
- Step 1: Write the proportion equation
861,968.97 : 1,292,954.18 = 270,992.97 : x - Step 2: Convert to fraction form
861,968.97/1,292,954.18 = 270,992.97/x - Step 3: Cross multiply
861,968.97x = 1,292,954.18 × 270,992.97 - Step 4: Simplify right side
861,968.97x = 350,381,491,957.15 - Step 5: Solve for x
x = 350,381,491,957.15/861,968.97 - Step 6: Final answer
x = 406,489.68
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1.5x scale
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.