Home / 654,559.38-981,943.56-228,217.80

Finding the Fourth Proportional to 654,559.38, 981,943.56 and 228,217.80

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Solution

The fourth proportional to 654,559.38, 981,943.56 and 228,217.80 is: 342,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,559.38 : 981,943.56 = 228,217.80 : x
  2. Step 2: Convert to fraction form
    654,559.38/981,943.56 = 228,217.80/x
  3. Step 3: Cross multiply
    654,559.38x = 981,943.56 × 228,217.80
  4. Step 4: Simplify right side
    654,559.38x = 224,097,002,669.66
  5. Step 5: Solve for x
    x = 224,097,002,669.66/654,559.38
  6. Step 6: Final answer
    x = 342,363.14

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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.