Home / 693,940.10-1,040,132.55-294,512.90

Finding the Fourth Proportional to 693,940.10, 1,040,132.55 and 294,512.90

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Solution

The fourth proportional to 693,940.10, 1,040,132.55 and 294,512.90 is: 441,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,940.10 : 1,040,132.55 = 294,512.90 : x
  2. Step 2: Convert to fraction form
    693,940.10/1,040,132.55 = 294,512.90/x
  3. Step 3: Cross multiply
    693,940.10x = 1,040,132.55 × 294,512.90
  4. Step 4: Simplify right side
    693,940.10x = 306,332,453,684.90
  5. Step 5: Solve for x
    x = 306,332,453,684.90/693,940.10
  6. Step 6: Final answer
    x = 441,439.33

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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.