Home / 766,479.31-1,149,896.92-261,044.66

Finding the Fourth Proportional to 766,479.31, 1,149,896.92 and 261,044.66

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Solution

The fourth proportional to 766,479.31, 1,149,896.92 and 261,044.66 is: 391,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,479.31 : 1,149,896.92 = 261,044.66 : x
  2. Step 2: Convert to fraction form
    766,479.31/1,149,896.92 = 261,044.66/x
  3. Step 3: Cross multiply
    766,479.31x = 1,149,896.92 × 261,044.66
  4. Step 4: Simplify right side
    766,479.31x = 300,174,448,294.32
  5. Step 5: Solve for x
    x = 300,174,448,294.32/766,479.31
  6. Step 6: Final answer
    x = 391,627.60

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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.