Finding the Fourth Proportional to 864,660.36, 1,193,251.50 and 542,384.04
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Solution
The fourth proportional to 864,660.36, 1,193,251.50 and 542,384.04 is: 748,502.65
Step by Step Solution
- Step 1: Write the proportion equation
864,660.36 : 1,193,251.50 = 542,384.04 : x - Step 2: Convert to fraction form
864,660.36/1,193,251.50 = 542,384.04/x - Step 3: Cross multiply
864,660.36x = 1,193,251.50 × 542,384.04 - Step 4: Simplify right side
864,660.36x = 647,200,569,306.06 - Step 5: Solve for x
x = 647,200,569,306.06/864,660.36 - Step 6: Final answer
x = 748,502.65
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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.