Home / 987,313.38-1,481,027.46-277,396.86

Finding the Fourth Proportional to 987,313.38, 1,481,027.46 and 277,396.86

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Solution

The fourth proportional to 987,313.38, 1,481,027.46 and 277,396.86 is: 416,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,313.38 : 1,481,027.46 = 277,396.86 : x
  2. Step 2: Convert to fraction form
    987,313.38/1,481,027.46 = 277,396.86/x
  3. Step 3: Cross multiply
    987,313.38x = 1,481,027.46 × 277,396.86
  4. Step 4: Simplify right side
    987,313.38x = 410,832,366,977.78
  5. Step 5: Solve for x
    x = 410,832,366,977.78/987,313.38
  6. Step 6: Final answer
    x = 416,111.41

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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.