Home / 831,914.94-1,247,872.41-270,949.44

Finding the Fourth Proportional to 831,914.94, 1,247,872.41 and 270,949.44

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Solution

The fourth proportional to 831,914.94, 1,247,872.41 and 270,949.44 is: 406,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,914.94 : 1,247,872.41 = 270,949.44 : x
  2. Step 2: Convert to fraction form
    831,914.94/1,247,872.41 = 270,949.44/x
  3. Step 3: Cross multiply
    831,914.94x = 1,247,872.41 × 270,949.44
  4. Step 4: Simplify right side
    831,914.94x = 338,110,330,680.95
  5. Step 5: Solve for x
    x = 338,110,330,680.95/831,914.94
  6. Step 6: Final answer
    x = 406,424.16

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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.