Finding the Fourth Proportional to 798,481.92, 1,101,905.28 and 440,785.92
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Solution
The fourth proportional to 798,481.92, 1,101,905.28 and 440,785.92 is: 608,284.70
Step by Step Solution
- Step 1: Write the proportion equation
798,481.92 : 1,101,905.28 = 440,785.92 : x - Step 2: Convert to fraction form
798,481.92/1,101,905.28 = 440,785.92/x - Step 3: Cross multiply
798,481.92x = 1,101,905.28 × 440,785.92 - Step 4: Simplify right side
798,481.92x = 485,704,332,597.66 - Step 5: Solve for x
x = 485,704,332,597.66/798,481.92 - Step 6: Final answer
x = 608,284.70
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1.5x scale
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.