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Finding the Fourth Proportional to 1,469.47, 2,203.96 and 544.81

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Solution

The fourth proportional to 1,469.47, 2,203.96 and 544.81 is: 817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.47 : 2,203.96 = 544.81 : x
  2. Step 2: Convert to fraction form
    1,469.47/2,203.96 = 544.81/x
  3. Step 3: Cross multiply
    1,469.47x = 2,203.96 × 544.81
  4. Step 4: Simplify right side
    1,469.47x = 1,200,727.07
  5. Step 5: Solve for x
    x = 1,200,727.07/1,469.47
  6. Step 6: Final answer
    x = 817.12

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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.