Home / 762,321.11-1,143,358.97-222,450.63

Finding the Fourth Proportional to 762,321.11, 1,143,358.97 and 222,450.63

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Solution

The fourth proportional to 762,321.11, 1,143,358.97 and 222,450.63 is: 333,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,321.11 : 1,143,358.97 = 222,450.63 : x
  2. Step 2: Convert to fraction form
    762,321.11/1,143,358.97 = 222,450.63/x
  3. Step 3: Cross multiply
    762,321.11x = 1,143,358.97 × 222,450.63
  4. Step 4: Simplify right side
    762,321.11x = 254,340,927,202.18
  5. Step 5: Solve for x
    x = 254,340,927,202.18/762,321.11
  6. Step 6: Final answer
    x = 333,640.15

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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.