Home / 762,502.38-1,143,761.79-230,028.03

Finding the Fourth Proportional to 762,502.38, 1,143,761.79 and 230,028.03

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Solution

The fourth proportional to 762,502.38, 1,143,761.79 and 230,028.03 is: 345,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,502.38 : 1,143,761.79 = 230,028.03 : x
  2. Step 2: Convert to fraction form
    762,502.38/1,143,761.79 = 230,028.03/x
  3. Step 3: Cross multiply
    762,502.38x = 1,143,761.79 × 230,028.03
  4. Step 4: Simplify right side
    762,502.38x = 263,097,271,342.97
  5. Step 5: Solve for x
    x = 263,097,271,342.97/762,502.38
  6. Step 6: Final answer
    x = 345,044.52

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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.