Home / 483,920.46-726,028.38-247,429.22

Finding the Fourth Proportional to 483,920.46, 726,028.38 and 247,429.22

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Solution

The fourth proportional to 483,920.46, 726,028.38 and 247,429.22 is: 371,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,920.46 : 726,028.38 = 247,429.22 : x
  2. Step 2: Convert to fraction form
    483,920.46/726,028.38 = 247,429.22/x
  3. Step 3: Cross multiply
    483,920.46x = 726,028.38 × 247,429.22
  4. Step 4: Simplify right side
    483,920.46x = 179,640,632,131.12
  5. Step 5: Solve for x
    x = 179,640,632,131.12/483,920.46
  6. Step 6: Final answer
    x = 371,219.34

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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.