Finding the Fourth Proportional to 494,674.39, 681,717.68 and 396,446.06
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Solution
The fourth proportional to 494,674.39, 681,717.68 and 396,446.06 is: 546,347.84
Step by Step Solution
- Step 1: Write the proportion equation
494,674.39 : 681,717.68 = 396,446.06 : x - Step 2: Convert to fraction form
494,674.39/681,717.68 = 396,446.06/x - Step 3: Cross multiply
494,674.39x = 681,717.68 × 396,446.06 - Step 4: Simplify right side
494,674.39x = 270,264,287,158.58 - Step 5: Solve for x
x = 270,264,287,158.58/494,674.39 - Step 6: Final answer
x = 546,347.84
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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.