Home / 667,011.12-1,000,261.50-329,936.16

Finding the Fourth Proportional to 667,011.12, 1,000,261.50 and 329,936.16

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Solution

The fourth proportional to 667,011.12, 1,000,261.50 and 329,936.16 is: 494,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,011.12 : 1,000,261.50 = 329,936.16 : x
  2. Step 2: Convert to fraction form
    667,011.12/1,000,261.50 = 329,936.16/x
  3. Step 3: Cross multiply
    667,011.12x = 1,000,261.50 × 329,936.16
  4. Step 4: Simplify right side
    667,011.12x = 330,022,438,305.84
  5. Step 5: Solve for x
    x = 330,022,438,305.84/667,011.12
  6. Step 6: Final answer
    x = 494,778.02

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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.