Home / 494,434.38-739,620.36-394,789.20

Finding the Fourth Proportional to 494,434.38, 739,620.36 and 394,789.20

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Solution

The fourth proportional to 494,434.38, 739,620.36 and 394,789.20 is: 590,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,434.38 : 739,620.36 = 394,789.20 : x
  2. Step 2: Convert to fraction form
    494,434.38/739,620.36 = 394,789.20/x
  3. Step 3: Cross multiply
    494,434.38x = 739,620.36 × 394,789.20
  4. Step 4: Simplify right side
    494,434.38x = 291,994,130,228.11
  5. Step 5: Solve for x
    x = 291,994,130,228.11/494,434.38
  6. Step 6: Final answer
    x = 590,561.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.