Home / 862,752.78-1,294,132.50-263,711.61

Finding the Fourth Proportional to 862,752.78, 1,294,132.50 and 263,711.61

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Solution

The fourth proportional to 862,752.78, 1,294,132.50 and 263,711.61 is: 395,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,752.78 : 1,294,132.50 = 263,711.61 : x
  2. Step 2: Convert to fraction form
    862,752.78/1,294,132.50 = 263,711.61/x
  3. Step 3: Cross multiply
    862,752.78x = 1,294,132.50 × 263,711.61
  4. Step 4: Simplify right side
    862,752.78x = 341,277,765,128.33
  5. Step 5: Solve for x
    x = 341,277,765,128.33/862,752.78
  6. Step 6: Final answer
    x = 395,568.43

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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.