Home / 762,469.27-1,143,371.68-256,936.03

Finding the Fourth Proportional to 762,469.27, 1,143,371.68 and 256,936.03

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Solution

The fourth proportional to 762,469.27, 1,143,371.68 and 256,936.03 is: 385,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,469.27 : 1,143,371.68 = 256,936.03 : x
  2. Step 2: Convert to fraction form
    762,469.27/1,143,371.68 = 256,936.03/x
  3. Step 3: Cross multiply
    762,469.27x = 1,143,371.68 × 256,936.03
  4. Step 4: Simplify right side
    762,469.27x = 293,773,376,772.86
  5. Step 5: Solve for x
    x = 293,773,376,772.86/762,469.27
  6. Step 6: Final answer
    x = 385,292.09

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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.