Home / 663,972.53-996,438.56-264,383.01

Finding the Fourth Proportional to 663,972.53, 996,438.56 and 264,383.01

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Solution

The fourth proportional to 663,972.53, 996,438.56 and 264,383.01 is: 396,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,972.53 : 996,438.56 = 264,383.01 : x
  2. Step 2: Convert to fraction form
    663,972.53/996,438.56 = 264,383.01/x
  3. Step 3: Cross multiply
    663,972.53x = 996,438.56 × 264,383.01
  4. Step 4: Simplify right side
    663,972.53x = 263,441,424,450.95
  5. Step 5: Solve for x
    x = 263,441,424,450.95/663,972.53
  6. Step 6: Final answer
    x = 396,765.55

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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.