Home / 987,462.87-1,481,249.61-277,435.50

Finding the Fourth Proportional to 987,462.87, 1,481,249.61 and 277,435.50

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Solution

The fourth proportional to 987,462.87, 1,481,249.61 and 277,435.50 is: 416,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,462.87 : 1,481,249.61 = 277,435.50 : x
  2. Step 2: Convert to fraction form
    987,462.87/1,481,249.61 = 277,435.50/x
  3. Step 3: Cross multiply
    987,462.87x = 1,481,249.61 × 277,435.50
  4. Step 4: Simplify right side
    987,462.87x = 410,951,226,175.16
  5. Step 5: Solve for x
    x = 410,951,226,175.16/987,462.87
  6. Step 6: Final answer
    x = 416,168.79

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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.