Home / 854,638.38-1,282,100.13-381,305.97

Finding the Fourth Proportional to 854,638.38, 1,282,100.13 and 381,305.97

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Solution

The fourth proportional to 854,638.38, 1,282,100.13 and 381,305.97 is: 572,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,638.38 : 1,282,100.13 = 381,305.97 : x
  2. Step 2: Convert to fraction form
    854,638.38/1,282,100.13 = 381,305.97/x
  3. Step 3: Cross multiply
    854,638.38x = 1,282,100.13 × 381,305.97
  4. Step 4: Simplify right side
    854,638.38x = 488,872,433,706.78
  5. Step 5: Solve for x
    x = 488,872,433,706.78/854,638.38
  6. Step 6: Final answer
    x = 572,022.56

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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.