Home / 901,609.92-1,244,135.52-538,961.76

Finding the Fourth Proportional to 901,609.92, 1,244,135.52 and 538,961.76

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Solution

The fourth proportional to 901,609.92, 1,244,135.52 and 538,961.76 is: 743,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,609.92 : 1,244,135.52 = 538,961.76 : x
  2. Step 2: Convert to fraction form
    901,609.92/1,244,135.52 = 538,961.76/x
  3. Step 3: Cross multiply
    901,609.92x = 1,244,135.52 × 538,961.76
  4. Step 4: Simplify right side
    901,609.92x = 670,541,469,537.72
  5. Step 5: Solve for x
    x = 670,541,469,537.72/901,609.92
  6. Step 6: Final answer
    x = 743,715.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.