Home / 766,523.12-1,149,788.93-197,865.38

Finding the Fourth Proportional to 766,523.12, 1,149,788.93 and 197,865.38

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Solution

The fourth proportional to 766,523.12, 1,149,788.93 and 197,865.38 is: 296,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,523.12 : 1,149,788.93 = 197,865.38 : x
  2. Step 2: Convert to fraction form
    766,523.12/1,149,788.93 = 197,865.38/x
  3. Step 3: Cross multiply
    766,523.12x = 1,149,788.93 × 197,865.38
  4. Step 4: Simplify right side
    766,523.12x = 227,503,425,439.39
  5. Step 5: Solve for x
    x = 227,503,425,439.39/766,523.12
  6. Step 6: Final answer
    x = 296,799.17

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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.