Home / 667,808.46-1,002,041.55-312,761.16

Finding the Fourth Proportional to 667,808.46, 1,002,041.55 and 312,761.16

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Solution

The fourth proportional to 667,808.46, 1,002,041.55 and 312,761.16 is: 469,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,808.46 : 1,002,041.55 = 312,761.16 : x
  2. Step 2: Convert to fraction form
    667,808.46/1,002,041.55 = 312,761.16/x
  3. Step 3: Cross multiply
    667,808.46x = 1,002,041.55 × 312,761.16
  4. Step 4: Simplify right side
    667,808.46x = 313,399,677,546.20
  5. Step 5: Solve for x
    x = 313,399,677,546.20/667,808.46
  6. Step 6: Final answer
    x = 469,295.76

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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.