Finding the Fourth Proportional to 677,878.26, 935,440.62 and 371,947.02
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Solution
The fourth proportional to 677,878.26, 935,440.62 and 371,947.02 is: 513,269.67
Step by Step Solution
- Step 1: Write the proportion equation
677,878.26 : 935,440.62 = 371,947.02 : x - Step 2: Convert to fraction form
677,878.26/935,440.62 = 371,947.02/x - Step 3: Cross multiply
677,878.26x = 935,440.62 × 371,947.02 - Step 4: Simplify right side
677,878.26x = 347,934,350,995.95 - Step 5: Solve for x
x = 347,934,350,995.95/677,878.26 - Step 6: Final answer
x = 513,269.67
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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.