Home / 801,448.12-1,105,983.84-438,865.30

Finding the Fourth Proportional to 801,448.12, 1,105,983.84 and 438,865.30

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Solution

The fourth proportional to 801,448.12, 1,105,983.84 and 438,865.30 is: 605,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,448.12 : 1,105,983.84 = 438,865.30 : x
  2. Step 2: Convert to fraction form
    801,448.12/1,105,983.84 = 438,865.30/x
  3. Step 3: Cross multiply
    801,448.12x = 1,105,983.84 × 438,865.30
  4. Step 4: Simplify right side
    801,448.12x = 485,377,929,736.75
  5. Step 5: Solve for x
    x = 485,377,929,736.75/801,448.12
  6. Step 6: Final answer
    x = 605,626.14

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