Home / 754,288.10-1,131,422.58-185,676.30

Finding the Fourth Proportional to 754,288.10, 1,131,422.58 and 185,676.30

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Solution

The fourth proportional to 754,288.10, 1,131,422.58 and 185,676.30 is: 278,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,288.10 : 1,131,422.58 = 185,676.30 : x
  2. Step 2: Convert to fraction form
    754,288.10/1,131,422.58 = 185,676.30/x
  3. Step 3: Cross multiply
    754,288.10x = 1,131,422.58 × 185,676.30
  4. Step 4: Simplify right side
    754,288.10x = 210,078,358,390.85
  5. Step 5: Solve for x
    x = 210,078,358,390.85/754,288.10
  6. Step 6: Final answer
    x = 278,512.09

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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.