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Finding the Fourth Proportional to 647,517.54, 970,722.43 and 248,444.72

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Solution

The fourth proportional to 647,517.54, 970,722.43 and 248,444.72 is: 372,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,517.54 : 970,722.43 = 248,444.72 : x
  2. Step 2: Convert to fraction form
    647,517.54/970,722.43 = 248,444.72/x
  3. Step 3: Cross multiply
    647,517.54x = 970,722.43 × 248,444.72
  4. Step 4: Simplify right side
    647,517.54x = 241,170,860,484.56
  5. Step 5: Solve for x
    x = 241,170,860,484.56/647,517.54
  6. Step 6: Final answer
    x = 372,454.56

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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.