Finding the Fourth Proportional to 519,753.75, 779,630.64 and 125,769.75
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Solution
The fourth proportional to 519,753.75, 779,630.64 and 125,769.75 is: 188,654.63
Step by Step Solution
- Step 1: Write the proportion equation
519,753.75 : 779,630.64 = 125,769.75 : x - Step 2: Convert to fraction form
519,753.75/779,630.64 = 125,769.75/x - Step 3: Cross multiply
519,753.75x = 779,630.64 × 125,769.75 - Step 4: Simplify right side
519,753.75x = 98,053,950,685.14 - Step 5: Solve for x
x = 98,053,950,685.14/519,753.75 - Step 6: Final answer
x = 188,654.63
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Similar ratio
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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.