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Finding the Fourth Proportional to 1,224.54, 1,837.05 and 494.17

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Solution

The fourth proportional to 1,224.54, 1,837.05 and 494.17 is: 741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.54 : 1,837.05 = 494.17 : x
  2. Step 2: Convert to fraction form
    1,224.54/1,837.05 = 494.17/x
  3. Step 3: Cross multiply
    1,224.54x = 1,837.05 × 494.17
  4. Step 4: Simplify right side
    1,224.54x = 907,818.89
  5. Step 5: Solve for x
    x = 907,818.89/1,224.54
  6. Step 6: Final answer
    x = 741.36

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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.