Finding the Fourth Proportional to 494,711.97, 682,702.74 and 279,847.46
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Solution
The fourth proportional to 494,711.97, 682,702.74 and 279,847.46 is: 386,189.61
Step by Step Solution
- Step 1: Write the proportion equation
494,711.97 : 682,702.74 = 279,847.46 : x - Step 2: Convert to fraction form
494,711.97/682,702.74 = 279,847.46/x - Step 3: Cross multiply
494,711.97x = 682,702.74 × 279,847.46 - Step 4: Simplify right side
494,711.97x = 191,052,624,310.53 - Step 5: Solve for x
x = 191,052,624,310.53/494,711.97 - Step 6: Final answer
x = 386,189.61
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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.