Home / 766,494.67-1,149,919.89-261,060.03

Finding the Fourth Proportional to 766,494.67, 1,149,919.89 and 261,060.03

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Solution

The fourth proportional to 766,494.67, 1,149,919.89 and 261,060.03 is: 391,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,494.67 : 1,149,919.89 = 261,060.03 : x
  2. Step 2: Convert to fraction form
    766,494.67/1,149,919.89 = 261,060.03/x
  3. Step 3: Cross multiply
    766,494.67x = 1,149,919.89 × 261,060.03
  4. Step 4: Simplify right side
    766,494.67x = 300,198,120,328.35
  5. Step 5: Solve for x
    x = 300,198,120,328.35/766,494.67
  6. Step 6: Final answer
    x = 391,650.63

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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.