Finding the Fourth Proportional to 798,387.36, 1,197,321.84 and 265,765.38
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Solution
The fourth proportional to 798,387.36, 1,197,321.84 and 265,765.38 is: 398,561.79
Step by Step Solution
- Step 1: Write the proportion equation
798,387.36 : 1,197,321.84 = 265,765.38 : x - Step 2: Convert to fraction form
798,387.36/1,197,321.84 = 265,765.38/x - Step 3: Cross multiply
798,387.36x = 1,197,321.84 × 265,765.38 - Step 4: Simplify right side
798,387.36x = 318,206,693,789.90 - Step 5: Solve for x
x = 318,206,693,789.90/798,387.36 - Step 6: Final answer
x = 398,561.79
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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.