Home / 439,601.36-659,309.78-123,984.46

Finding the Fourth Proportional to 439,601.36, 659,309.78 and 123,984.46

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Solution

The fourth proportional to 439,601.36, 659,309.78 and 123,984.46 is: 185,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,601.36 : 659,309.78 = 123,984.46 : x
  2. Step 2: Convert to fraction form
    439,601.36/659,309.78 = 123,984.46/x
  3. Step 3: Cross multiply
    439,601.36x = 659,309.78 × 123,984.46
  4. Step 4: Simplify right side
    439,601.36x = 81,744,167,046.02
  5. Step 5: Solve for x
    x = 81,744,167,046.02/439,601.36
  6. Step 6: Final answer
    x = 185,950.67

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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.