Finding the Fourth Proportional to 519,739.75, 779,609.66 and 125,755.75
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Solution
The fourth proportional to 519,739.75, 779,609.66 and 125,755.75 is: 188,633.63
Step by Step Solution
- Step 1: Write the proportion equation
519,739.75 : 779,609.66 = 125,755.75 : x - Step 2: Convert to fraction form
519,739.75/779,609.66 = 125,755.75/x - Step 3: Cross multiply
519,739.75x = 779,609.66 × 125,755.75 - Step 4: Simplify right side
519,739.75x = 98,040,397,500.55 - Step 5: Solve for x
x = 98,040,397,500.55/519,739.75 - Step 6: Final answer
x = 188,633.63
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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.