Home / 689,745.20-1,034,002.20-268,923.20

Finding the Fourth Proportional to 689,745.20, 1,034,002.20 and 268,923.20

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Solution

The fourth proportional to 689,745.20, 1,034,002.20 and 268,923.20 is: 403,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,745.20 : 1,034,002.20 = 268,923.20 : x
  2. Step 2: Convert to fraction form
    689,745.20/1,034,002.20 = 268,923.20/x
  3. Step 3: Cross multiply
    689,745.20x = 1,034,002.20 × 268,923.20
  4. Step 4: Simplify right side
    689,745.20x = 278,067,180,431.04
  5. Step 5: Solve for x
    x = 278,067,180,431.04/689,745.20
  6. Step 6: Final answer
    x = 403,144.79

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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.