Finding the Fourth Proportional to 725,674.08, 1,088,609.67 and 252,298.20
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Solution
The fourth proportional to 725,674.08, 1,088,609.67 and 252,298.20 is: 378,481.56
Step by Step Solution
- Step 1: Write the proportion equation
725,674.08 : 1,088,609.67 = 252,298.20 : x - Step 2: Convert to fraction form
725,674.08/1,088,609.67 = 252,298.20/x - Step 3: Cross multiply
725,674.08x = 1,088,609.67 × 252,298.20 - Step 4: Simplify right side
725,674.08x = 274,654,260,243.59 - Step 5: Solve for x
x = 274,654,260,243.59/725,674.08 - Step 6: Final answer
x = 378,481.56
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1.5x scale
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.