Home / 762,761.85-1,144,327.74-230,251.06

Finding the Fourth Proportional to 762,761.85, 1,144,327.74 and 230,251.06

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Solution

The fourth proportional to 762,761.85, 1,144,327.74 and 230,251.06 is: 345,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,761.85 : 1,144,327.74 = 230,251.06 : x
  2. Step 2: Convert to fraction form
    762,761.85/1,144,327.74 = 230,251.06/x
  3. Step 3: Cross multiply
    762,761.85x = 1,144,327.74 × 230,251.06
  4. Step 4: Simplify right side
    762,761.85x = 263,482,675,122.40
  5. Step 5: Solve for x
    x = 263,482,675,122.40/762,761.85
  6. Step 6: Final answer
    x = 345,432.42

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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.