Finding the Fourth Proportional to 498,278.76, 687,624.49 and 271,924.26
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Solution
The fourth proportional to 498,278.76, 687,624.49 and 271,924.26 is: 375,255.37
Step by Step Solution
- Step 1: Write the proportion equation
498,278.76 : 687,624.49 = 271,924.26 : x - Step 2: Convert to fraction form
498,278.76/687,624.49 = 271,924.26/x - Step 3: Cross multiply
498,278.76x = 687,624.49 × 271,924.26 - Step 4: Simplify right side
498,278.76x = 186,981,780,601.13 - Step 5: Solve for x
x = 186,981,780,601.13/498,278.76 - Step 6: Final answer
x = 375,255.37
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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.