Finding the Fourth Proportional to 898,753.28, 1,238,169.84 and 626,325.92
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Solution
The fourth proportional to 898,753.28, 1,238,169.84 and 626,325.92 is: 862,859.56
Step by Step Solution
- Step 1: Write the proportion equation
898,753.28 : 1,238,169.84 = 626,325.92 : x - Step 2: Convert to fraction form
898,753.28/1,238,169.84 = 626,325.92/x - Step 3: Cross multiply
898,753.28x = 1,238,169.84 × 626,325.92 - Step 4: Simplify right side
898,753.28x = 775,497,864,154.25 - Step 5: Solve for x
x = 775,497,864,154.25/898,753.28 - Step 6: Final answer
x = 862,859.56
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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.