Home / 831,696.94-1,247,067.87-325,665.44

Finding the Fourth Proportional to 831,696.94, 1,247,067.87 and 325,665.44

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Solution

The fourth proportional to 831,696.94, 1,247,067.87 and 325,665.44 is: 488,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,696.94 : 1,247,067.87 = 325,665.44 : x
  2. Step 2: Convert to fraction form
    831,696.94/1,247,067.87 = 325,665.44/x
  3. Step 3: Cross multiply
    831,696.94x = 1,247,067.87 × 325,665.44
  4. Step 4: Simplify right side
    831,696.94x = 406,126,906,593.41
  5. Step 5: Solve for x
    x = 406,126,906,593.41/831,696.94
  6. Step 6: Final answer
    x = 488,311.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.