Finding the Fourth Proportional to 868,922.28, 1,198,770.65 and 542,045.07
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Solution
The fourth proportional to 868,922.28, 1,198,770.65 and 542,045.07 is: 747,808.79
Step by Step Solution
- Step 1: Write the proportion equation
868,922.28 : 1,198,770.65 = 542,045.07 : x - Step 2: Convert to fraction form
868,922.28/1,198,770.65 = 542,045.07/x - Step 3: Cross multiply
868,922.28x = 1,198,770.65 × 542,045.07 - Step 4: Simplify right side
868,922.28x = 649,787,718,182.97 - Step 5: Solve for x
x = 649,787,718,182.97/868,922.28 - Step 6: Final answer
x = 747,808.79
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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.