Home / 320,469.24-480,667.14-83,834.76

Finding the Fourth Proportional to 320,469.24, 480,667.14 and 83,834.76

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Solution

The fourth proportional to 320,469.24, 480,667.14 and 83,834.76 is: 125,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,469.24 : 480,667.14 = 83,834.76 : x
  2. Step 2: Convert to fraction form
    320,469.24/480,667.14 = 83,834.76/x
  3. Step 3: Cross multiply
    320,469.24x = 480,667.14 × 83,834.76
  4. Step 4: Simplify right side
    320,469.24x = 40,296,614,321.79
  5. Step 5: Solve for x
    x = 40,296,614,321.79/320,469.24
  6. Step 6: Final answer
    x = 125,742.53

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1.5x scale

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.