Home / 1,323.14-1,983.29-500.85

Finding the Fourth Proportional to 1,323.14, 1,983.29 and 500.85

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Solution

The fourth proportional to 1,323.14, 1,983.29 and 500.85 is: 750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.14 : 1,983.29 = 500.85 : x
  2. Step 2: Convert to fraction form
    1,323.14/1,983.29 = 500.85/x
  3. Step 3: Cross multiply
    1,323.14x = 1,983.29 × 500.85
  4. Step 4: Simplify right side
    1,323.14x = 993,328.29
  5. Step 5: Solve for x
    x = 993,328.29/1,323.14
  6. Step 6: Final answer
    x = 750.74

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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.