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Finding the Fourth Proportional to 740.00, 1,019.09 and 737.78

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Solution

The fourth proportional to 740.00, 1,019.09 and 737.78 is: 1,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.00 : 1,019.09 = 737.78 : x
  2. Step 2: Convert to fraction form
    740.00/1,019.09 = 737.78/x
  3. Step 3: Cross multiply
    740.00x = 1,019.09 × 737.78
  4. Step 4: Simplify right side
    740.00x = 751,855.44
  5. Step 5: Solve for x
    x = 751,855.44/740.00
  6. Step 6: Final answer
    x = 1,016.03

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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.