Home / 1,034.24-1,550.50-486.12

Finding the Fourth Proportional to 1,034.24, 1,550.50 and 486.12

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Solution

The fourth proportional to 1,034.24, 1,550.50 and 486.12 is: 728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.24 : 1,550.50 = 486.12 : x
  2. Step 2: Convert to fraction form
    1,034.24/1,550.50 = 486.12/x
  3. Step 3: Cross multiply
    1,034.24x = 1,550.50 × 486.12
  4. Step 4: Simplify right side
    1,034.24x = 753,729.06
  5. Step 5: Solve for x
    x = 753,729.06/1,034.24
  6. Step 6: Final answer
    x = 728.78

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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.