Home / 483,056.53-723,778.42-212,782

Finding the Fourth Proportional to 483,056.53, 723,778.42 and 212,782

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Solution

The fourth proportional to 483,056.53, 723,778.42 and 212,782 is: 318,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,056.53 : 723,778.42 = 212,782 : x
  2. Step 2: Convert to fraction form
    483,056.53/723,778.42 = 212,782/x
  3. Step 3: Cross multiply
    483,056.53x = 723,778.42 × 212,782
  4. Step 4: Simplify right side
    483,056.53x = 154,007,019,764.44
  5. Step 5: Solve for x
    x = 154,007,019,764.44/483,056.53
  6. Step 6: Final answer
    x = 318,817.80

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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.