Finding the Fourth Proportional to 725,679.08, 1,088,617.17 and 252,303.20
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Solution
The fourth proportional to 725,679.08, 1,088,617.17 and 252,303.20 is: 378,489.06
Step by Step Solution
- Step 1: Write the proportion equation
725,679.08 : 1,088,617.17 = 252,303.20 : x - Step 2: Convert to fraction form
725,679.08/1,088,617.17 = 252,303.20/x - Step 3: Cross multiply
725,679.08x = 1,088,617.17 × 252,303.20 - Step 4: Simplify right side
725,679.08x = 274,661,595,565.94 - Step 5: Solve for x
x = 274,661,595,565.94/725,679.08 - Step 6: Final answer
x = 378,489.06
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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.