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Finding the Fourth Proportional to 1,469.05, 2,203.64 and 602.75

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Solution

The fourth proportional to 1,469.05, 2,203.64 and 602.75 is: 904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.05 : 2,203.64 = 602.75 : x
  2. Step 2: Convert to fraction form
    1,469.05/2,203.64 = 602.75/x
  3. Step 3: Cross multiply
    1,469.05x = 2,203.64 × 602.75
  4. Step 4: Simplify right side
    1,469.05x = 1,328,244.01
  5. Step 5: Solve for x
    x = 1,328,244.01/1,469.05
  6. Step 6: Final answer
    x = 904.15

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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.