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Finding the Fourth Proportional to 844.95, 1,163.33 and 739.93

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Solution

The fourth proportional to 844.95, 1,163.33 and 739.93 is: 1,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.95 : 1,163.33 = 739.93 : x
  2. Step 2: Convert to fraction form
    844.95/1,163.33 = 739.93/x
  3. Step 3: Cross multiply
    844.95x = 1,163.33 × 739.93
  4. Step 4: Simplify right side
    844.95x = 860,781.71
  5. Step 5: Solve for x
    x = 860,781.71/844.95
  6. Step 6: Final answer
    x = 1,018.74

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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.