Home / 654,718.11-982,118.67-205,456.70

Finding the Fourth Proportional to 654,718.11, 982,118.67 and 205,456.70

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Solution

The fourth proportional to 654,718.11, 982,118.67 and 205,456.70 is: 308,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,718.11 : 982,118.67 = 205,456.70 : x
  2. Step 2: Convert to fraction form
    654,718.11/982,118.67 = 205,456.70/x
  3. Step 3: Cross multiply
    654,718.11x = 982,118.67 × 205,456.70
  4. Step 4: Simplify right side
    654,718.11x = 201,782,863,787.12
  5. Step 5: Solve for x
    x = 201,782,863,787.12/654,718.11
  6. Step 6: Final answer
    x = 308,198.08

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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.