Home / 762,757.85-1,144,321.76-230,247.05

Finding the Fourth Proportional to 762,757.85, 1,144,321.76 and 230,247.05

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Solution

The fourth proportional to 762,757.85, 1,144,321.76 and 230,247.05 is: 345,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,757.85 : 1,144,321.76 = 230,247.05 : x
  2. Step 2: Convert to fraction form
    762,757.85/1,144,321.76 = 230,247.05/x
  3. Step 3: Cross multiply
    762,757.85x = 1,144,321.76 × 230,247.05
  4. Step 4: Simplify right side
    762,757.85x = 263,476,702,617.96
  5. Step 5: Solve for x
    x = 263,476,702,617.96/762,757.85
  6. Step 6: Final answer
    x = 345,426.41

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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.