Finding the Fourth Proportional to 691,180.26, 1,036,614.87 and 247,948.26
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Solution
The fourth proportional to 691,180.26, 1,036,614.87 and 247,948.26 is: 371,866.60
Step by Step Solution
- Step 1: Write the proportion equation
691,180.26 : 1,036,614.87 = 247,948.26 : x - Step 2: Convert to fraction form
691,180.26/1,036,614.87 = 247,948.26/x - Step 3: Cross multiply
691,180.26x = 1,036,614.87 × 247,948.26 - Step 4: Simplify right side
691,180.26x = 257,026,853,306.63 - Step 5: Solve for x
x = 257,026,853,306.63/691,180.26 - Step 6: Final answer
x = 371,866.60
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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.