Home / 987,257.87-1,480,942.19-277,230.54

Finding the Fourth Proportional to 987,257.87, 1,480,942.19 and 277,230.54

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Solution

The fourth proportional to 987,257.87, 1,480,942.19 and 277,230.54 is: 415,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,257.87 : 1,480,942.19 = 277,230.54 : x
  2. Step 2: Convert to fraction form
    987,257.87/1,480,942.19 = 277,230.54/x
  3. Step 3: Cross multiply
    987,257.87x = 1,480,942.19 × 277,230.54
  4. Step 4: Simplify right side
    987,257.87x = 410,562,401,656.33
  5. Step 5: Solve for x
    x = 410,562,401,656.33/987,257.87
  6. Step 6: Final answer
    x = 415,861.36

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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.