Home / 648,103.20-971,377.20-332,397.60

Finding the Fourth Proportional to 648,103.20, 971,377.20 and 332,397.60

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Solution

The fourth proportional to 648,103.20, 971,377.20 and 332,397.60 is: 498,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,103.20 : 971,377.20 = 332,397.60 : x
  2. Step 2: Convert to fraction form
    648,103.20/971,377.20 = 332,397.60/x
  3. Step 3: Cross multiply
    648,103.20x = 971,377.20 × 332,397.60
  4. Step 4: Simplify right side
    648,103.20x = 322,883,449,974.72
  5. Step 5: Solve for x
    x = 322,883,449,974.72/648,103.20
  6. Step 6: Final answer
    x = 498,197.59

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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.