Home / 1,223.64-1,834.95-493.02

Finding the Fourth Proportional to 1,223.64, 1,834.95 and 493.02

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Solution

The fourth proportional to 1,223.64, 1,834.95 and 493.02 is: 739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.64 : 1,834.95 = 493.02 : x
  2. Step 2: Convert to fraction form
    1,223.64/1,834.95 = 493.02/x
  3. Step 3: Cross multiply
    1,223.64x = 1,834.95 × 493.02
  4. Step 4: Simplify right side
    1,223.64x = 904,668.90
  5. Step 5: Solve for x
    x = 904,668.90/1,223.64
  6. Step 6: Final answer
    x = 739.33

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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.