Finding the Fourth Proportional to 486,225.38, 728,747.55 and 344,112.19
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Solution
The fourth proportional to 486,225.38, 728,747.55 and 344,112.19 is: 515,750.35
Step by Step Solution
- Step 1: Write the proportion equation
486,225.38 : 728,747.55 = 344,112.19 : x - Step 2: Convert to fraction form
486,225.38/728,747.55 = 344,112.19/x - Step 3: Cross multiply
486,225.38x = 728,747.55 × 344,112.19 - Step 4: Simplify right side
486,225.38x = 250,770,911,089.24 - Step 5: Solve for x
x = 250,770,911,089.24/486,225.38 - Step 6: Final answer
x = 515,750.35
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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.