Home / 453,249.82-679,874.25-215,872.54

Finding the Fourth Proportional to 453,249.82, 679,874.25 and 215,872.54

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Solution

The fourth proportional to 453,249.82, 679,874.25 and 215,872.54 is: 323,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,249.82 : 679,874.25 = 215,872.54 : x
  2. Step 2: Convert to fraction form
    453,249.82/679,874.25 = 215,872.54/x
  3. Step 3: Cross multiply
    453,249.82x = 679,874.25 × 215,872.54
  4. Step 4: Simplify right side
    453,249.82x = 146,766,181,228.10
  5. Step 5: Solve for x
    x = 146,766,181,228.10/453,249.82
  6. Step 6: Final answer
    x = 323,808.58

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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.