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Finding the Fourth Proportional to 647,509.12, 970,672.02 and 226,555.36

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Solution

The fourth proportional to 647,509.12, 970,672.02 and 226,555.36 is: 339,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,509.12 : 970,672.02 = 226,555.36 : x
  2. Step 2: Convert to fraction form
    647,509.12/970,672.02 = 226,555.36/x
  3. Step 3: Cross multiply
    647,509.12x = 970,672.02 × 226,555.36
  4. Step 4: Simplify right side
    647,509.12x = 219,910,948,933.03
  5. Step 5: Solve for x
    x = 219,910,948,933.03/647,509.12
  6. Step 6: Final answer
    x = 339,626.03

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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.