Home / 648,100.20-971,372.70-332,394.60

Finding the Fourth Proportional to 648,100.20, 971,372.70 and 332,394.60

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Solution

The fourth proportional to 648,100.20, 971,372.70 and 332,394.60 is: 498,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,100.20 : 971,372.70 = 332,394.60 : x
  2. Step 2: Convert to fraction form
    648,100.20/971,372.70 = 332,394.60/x
  3. Step 3: Cross multiply
    648,100.20x = 971,372.70 × 332,394.60
  4. Step 4: Simplify right side
    648,100.20x = 322,879,040,067.42
  5. Step 5: Solve for x
    x = 322,879,040,067.42/648,100.20
  6. Step 6: Final answer
    x = 498,193.09

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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.