Finding the Fourth Proportional to 850,475.92, 1,275,760.44 and 344,961.84
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Solution
The fourth proportional to 850,475.92, 1,275,760.44 and 344,961.84 is: 517,461.65
Step by Step Solution
- Step 1: Write the proportion equation
850,475.92 : 1,275,760.44 = 344,961.84 : x - Step 2: Convert to fraction form
850,475.92/1,275,760.44 = 344,961.84/x - Step 3: Cross multiply
850,475.92x = 1,275,760.44 × 344,961.84 - Step 4: Simplify right side
850,475.92x = 440,088,668,781.61 - Step 5: Solve for x
x = 440,088,668,781.61/850,475.92 - Step 6: Final answer
x = 517,461.65
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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.