Finding the Fourth Proportional to 826,229.62, 1,238,970.60 and 293,764.84
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Solution
The fourth proportional to 826,229.62, 1,238,970.60 and 293,764.84 is: 440,514.35
Step by Step Solution
- Step 1: Write the proportion equation
826,229.62 : 1,238,970.60 = 293,764.84 : x - Step 2: Convert to fraction form
826,229.62/1,238,970.60 = 293,764.84/x - Step 3: Cross multiply
826,229.62x = 1,238,970.60 × 293,764.84 - Step 4: Simplify right side
826,229.62x = 363,966,000,073.70 - Step 5: Solve for x
x = 363,966,000,073.70/826,229.62 - Step 6: Final answer
x = 440,514.35
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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.