Home / 765,857.71-1,148,911.25-226,168.57

Finding the Fourth Proportional to 765,857.71, 1,148,911.25 and 226,168.57

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Solution

The fourth proportional to 765,857.71, 1,148,911.25 and 226,168.57 is: 339,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,857.71 : 1,148,911.25 = 226,168.57 : x
  2. Step 2: Convert to fraction form
    765,857.71/1,148,911.25 = 226,168.57/x
  3. Step 3: Cross multiply
    765,857.71x = 1,148,911.25 × 226,168.57
  4. Step 4: Simplify right side
    765,857.71x = 259,847,614,469.41
  5. Step 5: Solve for x
    x = 259,847,614,469.41/765,857.71
  6. Step 6: Final answer
    x = 339,289.68

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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.