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Finding the Fourth Proportional to 474,060.57, 654,215.43 and 287,794.29

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Solution

The fourth proportional to 474,060.57, 654,215.43 and 287,794.29 is: 397,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,060.57 : 654,215.43 = 287,794.29 : x
  2. Step 2: Convert to fraction form
    474,060.57/654,215.43 = 287,794.29/x
  3. Step 3: Cross multiply
    474,060.57x = 654,215.43 × 287,794.29
  4. Step 4: Simplify right side
    474,060.57x = 188,279,465,183.90
  5. Step 5: Solve for x
    x = 188,279,465,183.90/474,060.57
  6. Step 6: Final answer
    x = 397,163.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.