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Finding the Fourth Proportional to 474,965.44, 655,512.96 and 273,762.88

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Solution

The fourth proportional to 474,965.44, 655,512.96 and 273,762.88 is: 377,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,965.44 : 655,512.96 = 273,762.88 : x
  2. Step 2: Convert to fraction form
    474,965.44/655,512.96 = 273,762.88/x
  3. Step 3: Cross multiply
    474,965.44x = 655,512.96 × 273,762.88
  4. Step 4: Simplify right side
    474,965.44x = 179,455,115,806.93
  5. Step 5: Solve for x
    x = 179,455,115,806.93/474,965.44
  6. Step 6: Final answer
    x = 377,827.73

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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.