Home / 439,599.36-659,306.78-123,982.46

Finding the Fourth Proportional to 439,599.36, 659,306.78 and 123,982.46

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Solution

The fourth proportional to 439,599.36, 659,306.78 and 123,982.46 is: 185,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,599.36 : 659,306.78 = 123,982.46 : x
  2. Step 2: Convert to fraction form
    439,599.36/659,306.78 = 123,982.46/x
  3. Step 3: Cross multiply
    439,599.36x = 659,306.78 × 123,982.46
  4. Step 4: Simplify right side
    439,599.36x = 81,742,472,562.63
  5. Step 5: Solve for x
    x = 81,742,472,562.63/439,599.36
  6. Step 6: Final answer
    x = 185,947.66

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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.