Home / 647,942.44-971,982.78-274,003.24

Finding the Fourth Proportional to 647,942.44, 971,982.78 and 274,003.24

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Solution

The fourth proportional to 647,942.44, 971,982.78 and 274,003.24 is: 411,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,942.44 : 971,982.78 = 274,003.24 : x
  2. Step 2: Convert to fraction form
    647,942.44/971,982.78 = 274,003.24/x
  3. Step 3: Cross multiply
    647,942.44x = 971,982.78 × 274,003.24
  4. Step 4: Simplify right side
    647,942.44x = 266,326,430,944.21
  5. Step 5: Solve for x
    x = 266,326,430,944.21/647,942.44
  6. Step 6: Final answer
    x = 411,034.09

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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.