Home / 951,237.72-1,427,076.18-320,136.12

Finding the Fourth Proportional to 951,237.72, 1,427,076.18 and 320,136.12

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Solution

The fourth proportional to 951,237.72, 1,427,076.18 and 320,136.12 is: 480,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,237.72 : 1,427,076.18 = 320,136.12 : x
  2. Step 2: Convert to fraction form
    951,237.72/1,427,076.18 = 320,136.12/x
  3. Step 3: Cross multiply
    951,237.72x = 1,427,076.18 × 320,136.12
  4. Step 4: Simplify right side
    951,237.72x = 456,858,631,209.62
  5. Step 5: Solve for x
    x = 456,858,631,209.62/951,237.72
  6. Step 6: Final answer
    x = 480,278.09

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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.