Finding the Fourth Proportional to 755,306.80, 1,132,960.20 and 282,029.08
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Solution
The fourth proportional to 755,306.80, 1,132,960.20 and 282,029.08 is: 423,043.62
Step by Step Solution
- Step 1: Write the proportion equation
755,306.80 : 1,132,960.20 = 282,029.08 : x - Step 2: Convert to fraction form
755,306.80/1,132,960.20 = 282,029.08/x - Step 3: Cross multiply
755,306.80x = 1,132,960.20 × 282,029.08 - Step 4: Simplify right side
755,306.80x = 319,527,722,882.62 - Step 5: Solve for x
x = 319,527,722,882.62/755,306.80 - Step 6: Final answer
x = 423,043.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.