Finding the Fourth Proportional to 861,659.24, 1,189,051.39 and 493,872.73
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Solution
The fourth proportional to 861,659.24, 1,189,051.39 and 493,872.73 is: 681,522.38
Step by Step Solution
- Step 1: Write the proportion equation
861,659.24 : 1,189,051.39 = 493,872.73 : x - Step 2: Convert to fraction form
861,659.24/1,189,051.39 = 493,872.73/x - Step 3: Cross multiply
861,659.24x = 1,189,051.39 × 493,872.73 - Step 4: Simplify right side
861,659.24x = 587,240,053,734.31 - Step 5: Solve for x
x = 587,240,053,734.31/861,659.24 - Step 6: Final answer
x = 681,522.38
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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.