Home / 755,999.28-1,134,007.38-323,658.54

Finding the Fourth Proportional to 755,999.28, 1,134,007.38 and 323,658.54

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Solution

The fourth proportional to 755,999.28, 1,134,007.38 and 323,658.54 is: 485,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,999.28 : 1,134,007.38 = 323,658.54 : x
  2. Step 2: Convert to fraction form
    755,999.28/1,134,007.38 = 323,658.54/x
  3. Step 3: Cross multiply
    755,999.28x = 1,134,007.38 × 323,658.54
  4. Step 4: Simplify right side
    755,999.28x = 367,031,172,960.03
  5. Step 5: Solve for x
    x = 367,031,172,960.03/755,999.28
  6. Step 6: Final answer
    x = 485,491.43

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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.