Home / 987,164.25-1,480,836.73-277,187.50

Finding the Fourth Proportional to 987,164.25, 1,480,836.73 and 277,187.50

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Solution

The fourth proportional to 987,164.25, 1,480,836.73 and 277,187.50 is: 415,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,164.25 : 1,480,836.73 = 277,187.50 : x
  2. Step 2: Convert to fraction form
    987,164.25/1,480,836.73 = 277,187.50/x
  3. Step 3: Cross multiply
    987,164.25x = 1,480,836.73 × 277,187.50
  4. Step 4: Simplify right side
    987,164.25x = 410,469,431,096.88
  5. Step 5: Solve for x
    x = 410,469,431,096.88/987,164.25
  6. Step 6: Final answer
    x = 415,806.62

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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.