Home / 444,325.20-612,905.64-272,320.38

Finding the Fourth Proportional to 444,325.20, 612,905.64 and 272,320.38

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Solution

The fourth proportional to 444,325.20, 612,905.64 and 272,320.38 is: 375,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,325.20 : 612,905.64 = 272,320.38 : x
  2. Step 2: Convert to fraction form
    444,325.20/612,905.64 = 272,320.38/x
  3. Step 3: Cross multiply
    444,325.20x = 612,905.64 × 272,320.38
  4. Step 4: Simplify right side
    444,325.20x = 166,906,695,767.74
  5. Step 5: Solve for x
    x = 166,906,695,767.74/444,325.20
  6. Step 6: Final answer
    x = 375,640.85

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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.