Finding the Fourth Proportional to 519,747.75, 779,621.64 and 125,763.75
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Solution
The fourth proportional to 519,747.75, 779,621.64 and 125,763.75 is: 188,645.63
Step by Step Solution
- Step 1: Write the proportion equation
519,747.75 : 779,621.64 = 125,763.75 : x - Step 2: Convert to fraction form
519,747.75/779,621.64 = 125,763.75/x - Step 3: Cross multiply
519,747.75x = 779,621.64 × 125,763.75 - Step 4: Simplify right side
519,747.75x = 98,048,141,027.55 - Step 5: Solve for x
x = 98,048,141,027.55/519,747.75 - Step 6: Final answer
x = 188,645.63
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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.