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Finding the Fourth Proportional to 647,604.54, 970,818.74 and 226,650.78

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Solution

The fourth proportional to 647,604.54, 970,818.74 and 226,650.78 is: 339,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,604.54 : 970,818.74 = 226,650.78 : x
  2. Step 2: Convert to fraction form
    647,604.54/970,818.74 = 226,650.78/x
  3. Step 3: Cross multiply
    647,604.54x = 970,818.74 × 226,650.78
  4. Step 4: Simplify right side
    647,604.54x = 220,036,824,659.62
  5. Step 5: Solve for x
    x = 220,036,824,659.62/647,604.54
  6. Step 6: Final answer
    x = 339,770.36

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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.