Home / 901,103.89-1,352,121.78-396,019.27

Finding the Fourth Proportional to 901,103.89, 1,352,121.78 and 396,019.27

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Solution

The fourth proportional to 901,103.89, 1,352,121.78 and 396,019.27 is: 594,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,103.89 : 1,352,121.78 = 396,019.27 : x
  2. Step 2: Convert to fraction form
    901,103.89/1,352,121.78 = 396,019.27/x
  3. Step 3: Cross multiply
    901,103.89x = 1,352,121.78 × 396,019.27
  4. Step 4: Simplify right side
    901,103.89x = 535,466,280,266.70
  5. Step 5: Solve for x
    x = 535,466,280,266.70/901,103.89
  6. Step 6: Final answer
    x = 594,233.68

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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.