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Finding the Fourth Proportional to 644,651.86, 967,397.37 and 245,295.94

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Solution

The fourth proportional to 644,651.86, 967,397.37 and 245,295.94 is: 368,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,651.86 : 967,397.37 = 245,295.94 : x
  2. Step 2: Convert to fraction form
    644,651.86/967,397.37 = 245,295.94/x
  3. Step 3: Cross multiply
    644,651.86x = 967,397.37 × 245,295.94
  4. Step 4: Simplify right side
    644,651.86x = 237,298,647,227.68
  5. Step 5: Solve for x
    x = 237,298,647,227.68/644,651.86
  6. Step 6: Final answer
    x = 368,103.56

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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.