Home / 754,581.37-1,131,748.99-221,977.82

Finding the Fourth Proportional to 754,581.37, 1,131,748.99 and 221,977.82

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Solution

The fourth proportional to 754,581.37, 1,131,748.99 and 221,977.82 is: 332,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,581.37 : 1,131,748.99 = 221,977.82 : x
  2. Step 2: Convert to fraction form
    754,581.37/1,131,748.99 = 221,977.82/x
  3. Step 3: Cross multiply
    754,581.37x = 1,131,748.99 × 221,977.82
  4. Step 4: Simplify right side
    754,581.37x = 251,223,167,373.71
  5. Step 5: Solve for x
    x = 251,223,167,373.71/754,581.37
  6. Step 6: Final answer
    x = 332,930.52

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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.