Home / 578,164.11-867,241.33-451,910.54

Finding the Fourth Proportional to 578,164.11, 867,241.33 and 451,910.54

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Solution

The fourth proportional to 578,164.11, 867,241.33 and 451,910.54 is: 677,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,164.11 : 867,241.33 = 451,910.54 : x
  2. Step 2: Convert to fraction form
    578,164.11/867,241.33 = 451,910.54/x
  3. Step 3: Cross multiply
    578,164.11x = 867,241.33 × 451,910.54
  4. Step 4: Simplify right side
    578,164.11x = 391,915,497,750.62
  5. Step 5: Solve for x
    x = 391,915,497,750.62/578,164.11
  6. Step 6: Final answer
    x = 677,862.03

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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.