Home / 862,764.38-1,294,149.92-263,723.21

Finding the Fourth Proportional to 862,764.38, 1,294,149.92 and 263,723.21

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Solution

The fourth proportional to 862,764.38, 1,294,149.92 and 263,723.21 is: 395,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,764.38 : 1,294,149.92 = 263,723.21 : x
  2. Step 2: Convert to fraction form
    862,764.38/1,294,149.92 = 263,723.21/x
  3. Step 3: Cross multiply
    862,764.38x = 1,294,149.92 × 263,723.21
  4. Step 4: Simplify right side
    862,764.38x = 341,297,373,040.40
  5. Step 5: Solve for x
    x = 341,297,373,040.40/862,764.38
  6. Step 6: Final answer
    x = 395,585.84

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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.