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Finding the Fourth Proportional to 653,005.73, 979,886.77 and 273,892.73

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Solution

The fourth proportional to 653,005.73, 979,886.77 and 273,892.73 is: 410,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,005.73 : 979,886.77 = 273,892.73 : x
  2. Step 2: Convert to fraction form
    653,005.73/979,886.77 = 273,892.73/x
  3. Step 3: Cross multiply
    653,005.73x = 979,886.77 × 273,892.73
  4. Step 4: Simplify right side
    653,005.73x = 268,383,856,942.02
  5. Step 5: Solve for x
    x = 268,383,856,942.02/653,005.73
  6. Step 6: Final answer
    x = 410,997.70

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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.