Home / 494,373.11-682,253.26-279,500.36

Finding the Fourth Proportional to 494,373.11, 682,253.26 and 279,500.36

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Solution

The fourth proportional to 494,373.11, 682,253.26 and 279,500.36 is: 385,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,373.11 : 682,253.26 = 279,500.36 : x
  2. Step 2: Convert to fraction form
    494,373.11/682,253.26 = 279,500.36/x
  3. Step 3: Cross multiply
    494,373.11x = 682,253.26 × 279,500.36
  4. Step 4: Simplify right side
    494,373.11x = 190,690,027,671.16
  5. Step 5: Solve for x
    x = 190,690,027,671.16/494,373.11
  6. Step 6: Final answer
    x = 385,720.88

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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.