Finding the Fourth Proportional to 868,324.71, 1,198,873.25 and 542,134.87
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Solution
The fourth proportional to 868,324.71, 1,198,873.25 and 542,134.87 is: 748,511.46
Step by Step Solution
- Step 1: Write the proportion equation
868,324.71 : 1,198,873.25 = 542,134.87 : x - Step 2: Convert to fraction form
868,324.71/1,198,873.25 = 542,134.87/x - Step 3: Cross multiply
868,324.71x = 1,198,873.25 × 542,134.87 - Step 4: Simplify right side
868,324.71x = 649,950,993,535.23 - Step 5: Solve for x
x = 649,950,993,535.23/868,324.71 - Step 6: Final answer
x = 748,511.46
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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.