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Finding the Fourth Proportional to 647,608.54, 970,824.74 and 226,654.78

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Solution

The fourth proportional to 647,608.54, 970,824.74 and 226,654.78 is: 339,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,608.54 : 970,824.74 = 226,654.78 : x
  2. Step 2: Convert to fraction form
    647,608.54/970,824.74 = 226,654.78/x
  3. Step 3: Cross multiply
    647,608.54x = 970,824.74 × 226,654.78
  4. Step 4: Simplify right side
    647,608.54x = 220,042,067,863.26
  5. Step 5: Solve for x
    x = 220,042,067,863.26/647,608.54
  6. Step 6: Final answer
    x = 339,776.35

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1.5x scale

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.