Home / 843,990.75-1,266,097.29-275,172.09

Finding the Fourth Proportional to 843,990.75, 1,266,097.29 and 275,172.09

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Solution

The fourth proportional to 843,990.75, 1,266,097.29 and 275,172.09 is: 412,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,990.75 : 1,266,097.29 = 275,172.09 : x
  2. Step 2: Convert to fraction form
    843,990.75/1,266,097.29 = 275,172.09/x
  3. Step 3: Cross multiply
    843,990.75x = 1,266,097.29 × 275,172.09
  4. Step 4: Simplify right side
    843,990.75x = 348,394,637,432.64
  5. Step 5: Solve for x
    x = 348,394,637,432.64/843,990.75
  6. Step 6: Final answer
    x = 412,794.38

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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.