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Finding the Fourth Proportional to 494,882.46, 682,759.50 and 280,020.24

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Solution

The fourth proportional to 494,882.46, 682,759.50 and 280,020.24 is: 386,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,882.46 : 682,759.50 = 280,020.24 : x
  2. Step 2: Convert to fraction form
    494,882.46/682,759.50 = 280,020.24/x
  3. Step 3: Cross multiply
    494,882.46x = 682,759.50 × 280,020.24
  4. Step 4: Simplify right side
    494,882.46x = 191,186,479,052.28
  5. Step 5: Solve for x
    x = 191,186,479,052.28/494,882.46
  6. Step 6: Final answer
    x = 386,327.05

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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.