Home / 765,970.90-1,149,107.58-226,236.38

Finding the Fourth Proportional to 765,970.90, 1,149,107.58 and 226,236.38

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Solution

The fourth proportional to 765,970.90, 1,149,107.58 and 226,236.38 is: 339,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,970.90 : 1,149,107.58 = 226,236.38 : x
  2. Step 2: Convert to fraction form
    765,970.90/1,149,107.58 = 226,236.38/x
  3. Step 3: Cross multiply
    765,970.90x = 1,149,107.58 × 226,236.38
  4. Step 4: Simplify right side
    765,970.90x = 259,969,933,384.22
  5. Step 5: Solve for x
    x = 259,969,933,384.22/765,970.90
  6. Step 6: Final answer
    x = 339,399.23

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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.