Home / 951,243.35-1,427,084.62-320,141.75

Finding the Fourth Proportional to 951,243.35, 1,427,084.62 and 320,141.75

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Solution

The fourth proportional to 951,243.35, 1,427,084.62 and 320,141.75 is: 480,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,243.35 : 1,427,084.62 = 320,141.75 : x
  2. Step 2: Convert to fraction form
    951,243.35/1,427,084.62 = 320,141.75/x
  3. Step 3: Cross multiply
    951,243.35x = 1,427,084.62 × 320,141.75
  4. Step 4: Simplify right side
    951,243.35x = 456,869,359,709.11
  5. Step 5: Solve for x
    x = 456,869,359,709.11/951,243.35
  6. Step 6: Final answer
    x = 480,286.52

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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.