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Finding the Fourth Proportional to 739.04, 1,019.96 and 444.29

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Solution

The fourth proportional to 739.04, 1,019.96 and 444.29 is: 613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    739.04 : 1,019.96 = 444.29 : x
  2. Step 2: Convert to fraction form
    739.04/1,019.96 = 444.29/x
  3. Step 3: Cross multiply
    739.04x = 1,019.96 × 444.29
  4. Step 4: Simplify right side
    739.04x = 453,155.81
  5. Step 5: Solve for x
    x = 453,155.81/739.04
  6. Step 6: Final answer
    x = 613.17

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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.