Home / 451,474.20-677,217.06-311,195.16

Finding the Fourth Proportional to 451,474.20, 677,217.06 and 311,195.16

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Solution

The fourth proportional to 451,474.20, 677,217.06 and 311,195.16 is: 466,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,474.20 : 677,217.06 = 311,195.16 : x
  2. Step 2: Convert to fraction form
    451,474.20/677,217.06 = 311,195.16/x
  3. Step 3: Cross multiply
    451,474.20x = 677,217.06 × 311,195.16
  4. Step 4: Simplify right side
    451,474.20x = 210,746,671,341.43
  5. Step 5: Solve for x
    x = 210,746,671,341.43/451,474.20
  6. Step 6: Final answer
    x = 466,796.71

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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.