Home / 654,717.92-982,118.37-205,456.52

Finding the Fourth Proportional to 654,717.92, 982,118.37 and 205,456.52

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Solution

The fourth proportional to 654,717.92, 982,118.37 and 205,456.52 is: 308,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,717.92 : 982,118.37 = 205,456.52 : x
  2. Step 2: Convert to fraction form
    654,717.92/982,118.37 = 205,456.52/x
  3. Step 3: Cross multiply
    654,717.92x = 982,118.37 × 205,456.52
  4. Step 4: Simplify right side
    654,717.92x = 201,782,617,617.68
  5. Step 5: Solve for x
    x = 201,782,617,617.68/654,717.92
  6. Step 6: Final answer
    x = 308,197.79

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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.