Finding the Fourth Proportional to 868,325.71, 1,198,874.63 and 542,135.87
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Solution
The fourth proportional to 868,325.71, 1,198,874.63 and 542,135.87 is: 748,512.84
Step by Step Solution
- Step 1: Write the proportion equation
868,325.71 : 1,198,874.63 = 542,135.87 : x - Step 2: Convert to fraction form
868,325.71/1,198,874.63 = 542,135.87/x - Step 3: Cross multiply
868,325.71x = 1,198,874.63 × 542,135.87 - Step 4: Simplify right side
868,325.71x = 649,952,940,555.98 - Step 5: Solve for x
x = 649,952,940,555.98/868,325.71 - Step 6: Final answer
x = 748,512.84
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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.