Home / 762,494.91-1,143,750.57-230,020.56

Finding the Fourth Proportional to 762,494.91, 1,143,750.57 and 230,020.56

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Solution

The fourth proportional to 762,494.91, 1,143,750.57 and 230,020.56 is: 345,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,494.91 : 1,143,750.57 = 230,020.56 : x
  2. Step 2: Convert to fraction form
    762,494.91/1,143,750.57 = 230,020.56/x
  3. Step 3: Cross multiply
    762,494.91x = 1,143,750.57 × 230,020.56
  4. Step 4: Simplify right side
    762,494.91x = 263,086,140,892.97
  5. Step 5: Solve for x
    x = 263,086,140,892.97/762,494.91
  6. Step 6: Final answer
    x = 345,033.31

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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.