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Finding the Fourth Proportional to 1,304.07, 1,799.50 and 744.54

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Solution

The fourth proportional to 1,304.07, 1,799.50 and 744.54 is: 1,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.07 : 1,799.50 = 744.54 : x
  2. Step 2: Convert to fraction form
    1,304.07/1,799.50 = 744.54/x
  3. Step 3: Cross multiply
    1,304.07x = 1,799.50 × 744.54
  4. Step 4: Simplify right side
    1,304.07x = 1,339,787.01
  5. Step 5: Solve for x
    x = 1,339,787.01/1,304.07
  6. Step 6: Final answer
    x = 1,027.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.