Home / 1,323.27-1,984.91-501.39

Finding the Fourth Proportional to 1,323.27, 1,984.91 and 501.39

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Solution

The fourth proportional to 1,323.27, 1,984.91 and 501.39 is: 752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.27 : 1,984.91 = 501.39 : x
  2. Step 2: Convert to fraction form
    1,323.27/1,984.91 = 501.39/x
  3. Step 3: Cross multiply
    1,323.27x = 1,984.91 × 501.39
  4. Step 4: Simplify right side
    1,323.27x = 995,211.52
  5. Step 5: Solve for x
    x = 995,211.52/1,323.27
  6. Step 6: Final answer
    x = 752.09

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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.