Home / 880,629.17-1,321,109.87-281,429.44

Finding the Fourth Proportional to 880,629.17, 1,321,109.87 and 281,429.44

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Solution

The fourth proportional to 880,629.17, 1,321,109.87 and 281,429.44 is: 422,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,629.17 : 1,321,109.87 = 281,429.44 : x
  2. Step 2: Convert to fraction form
    880,629.17/1,321,109.87 = 281,429.44/x
  3. Step 3: Cross multiply
    880,629.17x = 1,321,109.87 × 281,429.44
  4. Step 4: Simplify right side
    880,629.17x = 371,799,206,182.65
  5. Step 5: Solve for x
    x = 371,799,206,182.65/880,629.17
  6. Step 6: Final answer
    x = 422,197.24

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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.