Home / 843,997.75-1,266,107.79-275,179.12

Finding the Fourth Proportional to 843,997.75, 1,266,107.79 and 275,179.12

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Solution

The fourth proportional to 843,997.75, 1,266,107.79 and 275,179.12 is: 412,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,997.75 : 1,266,107.79 = 275,179.12 : x
  2. Step 2: Convert to fraction form
    843,997.75/1,266,107.79 = 275,179.12/x
  3. Step 3: Cross multiply
    843,997.75x = 1,266,107.79 × 275,179.12
  4. Step 4: Simplify right side
    843,997.75x = 348,406,427,477.35
  5. Step 5: Solve for x
    x = 348,406,427,477.35/843,997.75
  6. Step 6: Final answer
    x = 412,804.92

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1.5x scale

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.