Home / 843,984.28-1,266,087.57-275,165.56

Finding the Fourth Proportional to 843,984.28, 1,266,087.57 and 275,165.56

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Solution

The fourth proportional to 843,984.28, 1,266,087.57 and 275,165.56 is: 412,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,984.28 : 1,266,087.57 = 275,165.56 : x
  2. Step 2: Convert to fraction form
    843,984.28/1,266,087.57 = 275,165.56/x
  3. Step 3: Cross multiply
    843,984.28x = 1,266,087.57 × 275,165.56
  4. Step 4: Simplify right side
    843,984.28x = 348,383,695,208.09
  5. Step 5: Solve for x
    x = 348,383,695,208.09/843,984.28
  6. Step 6: Final answer
    x = 412,784.58

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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.