Home / 691,371.72-1,037,057.58-218,093.85

Finding the Fourth Proportional to 691,371.72, 1,037,057.58 and 218,093.85

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Solution

The fourth proportional to 691,371.72, 1,037,057.58 and 218,093.85 is: 327,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,371.72 : 1,037,057.58 = 218,093.85 : x
  2. Step 2: Convert to fraction form
    691,371.72/1,037,057.58 = 218,093.85/x
  3. Step 3: Cross multiply
    691,371.72x = 1,037,057.58 × 218,093.85
  4. Step 4: Simplify right side
    691,371.72x = 226,175,880,293.88
  5. Step 5: Solve for x
    x = 226,175,880,293.88/691,371.72
  6. Step 6: Final answer
    x = 327,140.78

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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.