Finding the Fourth Proportional to 739,201.40, 1,107,246.90 and 614,785.40
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Solution
The fourth proportional to 739,201.40, 1,107,246.90 and 614,785.40 is: 920,884.66
Step by Step Solution
- Step 1: Write the proportion equation
739,201.40 : 1,107,246.90 = 614,785.40 : x - Step 2: Convert to fraction form
739,201.40/1,107,246.90 = 614,785.40/x - Step 3: Cross multiply
739,201.40x = 1,107,246.90 × 614,785.40 - Step 4: Simplify right side
739,201.40x = 680,719,228,315.26 - Step 5: Solve for x
x = 680,719,228,315.26/739,201.40 - Step 6: Final answer
x = 920,884.66
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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.