Finding the Fourth Proportional to 463,575.13, 639,660.60 and 270,014.70
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Solution
The fourth proportional to 463,575.13, 639,660.60 and 270,014.70 is: 372,577.71
Step by Step Solution
- Step 1: Write the proportion equation
463,575.13 : 639,660.60 = 270,014.70 : x - Step 2: Convert to fraction form
463,575.13/639,660.60 = 270,014.70/x - Step 3: Cross multiply
463,575.13x = 639,660.60 × 270,014.70 - Step 4: Simplify right side
463,575.13x = 172,717,761,812.52 - Step 5: Solve for x
x = 172,717,761,812.52/463,575.13 - Step 6: Final answer
x = 372,577.71
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1.5x scale
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.