Home / 675,351.52-1,013,027.28-320,171.79

Finding the Fourth Proportional to 675,351.52, 1,013,027.28 and 320,171.79

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Solution

The fourth proportional to 675,351.52, 1,013,027.28 and 320,171.79 is: 480,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,351.52 : 1,013,027.28 = 320,171.79 : x
  2. Step 2: Convert to fraction form
    675,351.52/1,013,027.28 = 320,171.79/x
  3. Step 3: Cross multiply
    675,351.52x = 1,013,027.28 × 320,171.79
  4. Step 4: Simplify right side
    675,351.52x = 324,342,757,157.81
  5. Step 5: Solve for x
    x = 324,342,757,157.81/675,351.52
  6. Step 6: Final answer
    x = 480,257.68

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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.