Home / 709,974.72-1,065,383.28-283,711.61

Finding the Fourth Proportional to 709,974.72, 1,065,383.28 and 283,711.61

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Solution

The fourth proportional to 709,974.72, 1,065,383.28 and 283,711.61 is: 425,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,974.72 : 1,065,383.28 = 283,711.61 : x
  2. Step 2: Convert to fraction form
    709,974.72/1,065,383.28 = 283,711.61/x
  3. Step 3: Cross multiply
    709,974.72x = 1,065,383.28 × 283,711.61
  4. Step 4: Simplify right side
    709,974.72x = 302,261,608,299.34
  5. Step 5: Solve for x
    x = 302,261,608,299.34/709,974.72
  6. Step 6: Final answer
    x = 425,735.73

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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.