Home / 480,839.11-663,593.97-274,112.43

Finding the Fourth Proportional to 480,839.11, 663,593.97 and 274,112.43

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Solution

The fourth proportional to 480,839.11, 663,593.97 and 274,112.43 is: 378,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,839.11 : 663,593.97 = 274,112.43 : x
  2. Step 2: Convert to fraction form
    480,839.11/663,593.97 = 274,112.43/x
  3. Step 3: Cross multiply
    480,839.11x = 663,593.97 × 274,112.43
  4. Step 4: Simplify right side
    480,839.11x = 181,899,355,650.05
  5. Step 5: Solve for x
    x = 181,899,355,650.05/480,839.11
  6. Step 6: Final answer
    x = 378,295.67

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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.