Home / 444,758.16-667,402.88-408,579.20

Finding the Fourth Proportional to 444,758.16, 667,402.88 and 408,579.20

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Solution

The fourth proportional to 444,758.16, 667,402.88 and 408,579.20 is: 613,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,758.16 : 667,402.88 = 408,579.20 : x
  2. Step 2: Convert to fraction form
    444,758.16/667,402.88 = 408,579.20/x
  3. Step 3: Cross multiply
    444,758.16x = 667,402.88 × 408,579.20
  4. Step 4: Simplify right side
    444,758.16x = 272,686,934,788.10
  5. Step 5: Solve for x
    x = 272,686,934,788.10/444,758.16
  6. Step 6: Final answer
    x = 613,112.83

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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.