Home / 951,888.57-1,427,837.78-320,807.85

Finding the Fourth Proportional to 951,888.57, 1,427,837.78 and 320,807.85

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Solution

The fourth proportional to 951,888.57, 1,427,837.78 and 320,807.85 is: 481,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,888.57 : 1,427,837.78 = 320,807.85 : x
  2. Step 2: Convert to fraction form
    951,888.57/1,427,837.78 = 320,807.85/x
  3. Step 3: Cross multiply
    951,888.57x = 1,427,837.78 × 320,807.85
  4. Step 4: Simplify right side
    951,888.57x = 458,061,568,350.57
  5. Step 5: Solve for x
    x = 458,061,568,350.57/951,888.57
  6. Step 6: Final answer
    x = 481,213.43

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1.5x scale

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.