Home / 863,278.57-1,294,696.90-255,924.86

Finding the Fourth Proportional to 863,278.57, 1,294,696.90 and 255,924.86

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Solution

The fourth proportional to 863,278.57, 1,294,696.90 and 255,924.86 is: 383,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,278.57 : 1,294,696.90 = 255,924.86 : x
  2. Step 2: Convert to fraction form
    863,278.57/1,294,696.90 = 255,924.86/x
  3. Step 3: Cross multiply
    863,278.57x = 1,294,696.90 × 255,924.86
  4. Step 4: Simplify right side
    863,278.57x = 331,345,115,761.64
  5. Step 5: Solve for x
    x = 331,345,115,761.64/863,278.57
  6. Step 6: Final answer
    x = 383,821.78

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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.