Home / 838,469.16-1,257,775.02-739,791.72

Finding the Fourth Proportional to 838,469.16, 1,257,775.02 and 739,791.72

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Solution

The fourth proportional to 838,469.16, 1,257,775.02 and 739,791.72 is: 1,109,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,469.16 : 1,257,775.02 = 739,791.72 : x
  2. Step 2: Convert to fraction form
    838,469.16/1,257,775.02 = 739,791.72/x
  3. Step 3: Cross multiply
    838,469.16x = 1,257,775.02 × 739,791.72
  4. Step 4: Simplify right side
    838,469.16x = 930,491,545,418.83
  5. Step 5: Solve for x
    x = 930,491,545,418.83/838,469.16
  6. Step 6: Final answer
    x = 1,109,750.47

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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.