Home / 483,838.20-724,799.16-331,660.80

Finding the Fourth Proportional to 483,838.20, 724,799.16 and 331,660.80

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Solution

The fourth proportional to 483,838.20, 724,799.16 and 331,660.80 is: 496,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,838.20 : 724,799.16 = 331,660.80 : x
  2. Step 2: Convert to fraction form
    483,838.20/724,799.16 = 331,660.80/x
  3. Step 3: Cross multiply
    483,838.20x = 724,799.16 × 331,660.80
  4. Step 4: Simplify right side
    483,838.20x = 240,387,469,244.93
  5. Step 5: Solve for x
    x = 240,387,469,244.93/483,838.20
  6. Step 6: Final answer
    x = 496,834.42

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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.