Home / 658,163.20-986,467.20-279,083.20

Finding the Fourth Proportional to 658,163.20, 986,467.20 and 279,083.20

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Solution

The fourth proportional to 658,163.20, 986,467.20 and 279,083.20 is: 418,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,163.20 : 986,467.20 = 279,083.20 : x
  2. Step 2: Convert to fraction form
    658,163.20/986,467.20 = 279,083.20/x
  3. Step 3: Cross multiply
    658,163.20x = 986,467.20 × 279,083.20
  4. Step 4: Simplify right side
    658,163.20x = 275,306,422,871.04
  5. Step 5: Solve for x
    x = 275,306,422,871.04/658,163.20
  6. Step 6: Final answer
    x = 418,295.07

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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.