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Finding the Fourth Proportional to 647,517.45, 970,722.37 and 248,444.63

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Solution

The fourth proportional to 647,517.45, 970,722.37 and 248,444.63 is: 372,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,517.45 : 970,722.37 = 248,444.63 : x
  2. Step 2: Convert to fraction form
    647,517.45/970,722.37 = 248,444.63/x
  3. Step 3: Cross multiply
    647,517.45x = 970,722.37 × 248,444.63
  4. Step 4: Simplify right side
    647,517.45x = 241,170,754,572.65
  5. Step 5: Solve for x
    x = 241,170,754,572.65/647,517.45
  6. Step 6: Final answer
    x = 372,454.45

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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.