Home / 1,002,439.03-1,503,161.08-319,236.83

Finding the Fourth Proportional to 1,002,439.03, 1,503,161.08 and 319,236.83

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Solution

The fourth proportional to 1,002,439.03, 1,503,161.08 and 319,236.83 is: 478,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,439.03 : 1,503,161.08 = 319,236.83 : x
  2. Step 2: Convert to fraction form
    1,002,439.03/1,503,161.08 = 319,236.83/x
  3. Step 3: Cross multiply
    1,002,439.03x = 1,503,161.08 × 319,236.83
  4. Step 4: Simplify right side
    1,002,439.03x = 479,864,378,158.58
  5. Step 5: Solve for x
    x = 479,864,378,158.58/1,002,439.03
  6. Step 6: Final answer
    x = 478,696.82

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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.