Finding the Fourth Proportional to 494,717.97, 682,711.02 and 279,853.46
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Solution
The fourth proportional to 494,717.97, 682,711.02 and 279,853.46 is: 386,197.89
Step by Step Solution
- Step 1: Write the proportion equation
494,717.97 : 682,711.02 = 279,853.46 : x - Step 2: Convert to fraction form
494,717.97/682,711.02 = 279,853.46/x - Step 3: Cross multiply
494,717.97x = 682,711.02 × 279,853.46 - Step 4: Simplify right side
494,717.97x = 191,059,037,713.57 - Step 5: Solve for x
x = 191,059,037,713.57/494,717.97 - Step 6: Final answer
x = 386,197.89
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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.