Home / 862,917.28-1,294,441.44-294,121.60

Finding the Fourth Proportional to 862,917.28, 1,294,441.44 and 294,121.60

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Solution

The fourth proportional to 862,917.28, 1,294,441.44 and 294,121.60 is: 441,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,917.28 : 1,294,441.44 = 294,121.60 : x
  2. Step 2: Convert to fraction form
    862,917.28/1,294,441.44 = 294,121.60/x
  3. Step 3: Cross multiply
    862,917.28x = 1,294,441.44 × 294,121.60
  4. Step 4: Simplify right side
    862,917.28x = 380,723,187,439.10
  5. Step 5: Solve for x
    x = 380,723,187,439.10/862,917.28
  6. Step 6: Final answer
    x = 441,204.73

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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.