Finding the Fourth Proportional to 842,869.13, 1,264,304.97 and 344,233.13
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Solution
The fourth proportional to 842,869.13, 1,264,304.97 and 344,233.13 is: 516,350.21
Step by Step Solution
- Step 1: Write the proportion equation
842,869.13 : 1,264,304.97 = 344,233.13 : x - Step 2: Convert to fraction form
842,869.13/1,264,304.97 = 344,233.13/x - Step 3: Cross multiply
842,869.13x = 1,264,304.97 × 344,233.13 - Step 4: Simplify right side
842,869.13x = 435,215,650,776.13 - Step 5: Solve for x
x = 435,215,650,776.13/842,869.13 - Step 6: Final answer
x = 516,350.21
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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.