Home / 987,164.37-1,480,836.92-277,187.63

Finding the Fourth Proportional to 987,164.37, 1,480,836.92 and 277,187.63

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Solution

The fourth proportional to 987,164.37, 1,480,836.92 and 277,187.63 is: 415,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,164.37 : 1,480,836.92 = 277,187.63 : x
  2. Step 2: Convert to fraction form
    987,164.37/1,480,836.92 = 277,187.63/x
  3. Step 3: Cross multiply
    987,164.37x = 1,480,836.92 × 277,187.63
  4. Step 4: Simplify right side
    987,164.37x = 410,469,667,481.18
  5. Step 5: Solve for x
    x = 410,469,667,481.18/987,164.37
  6. Step 6: Final answer
    x = 415,806.81

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1.5x scale

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.