Home / 859,027.89-1,288,540.21-227,892.09

Finding the Fourth Proportional to 859,027.89, 1,288,540.21 and 227,892.09

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Solution

The fourth proportional to 859,027.89, 1,288,540.21 and 227,892.09 is: 341,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,027.89 : 1,288,540.21 = 227,892.09 : x
  2. Step 2: Convert to fraction form
    859,027.89/1,288,540.21 = 227,892.09/x
  3. Step 3: Cross multiply
    859,027.89x = 1,288,540.21 × 227,892.09
  4. Step 4: Simplify right side
    859,027.89x = 293,648,121,505.94
  5. Step 5: Solve for x
    x = 293,648,121,505.94/859,027.89
  6. Step 6: Final answer
    x = 341,837.70

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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.