Home / 768,083.42-1,152,022.62-228,329.58

Finding the Fourth Proportional to 768,083.42, 1,152,022.62 and 228,329.58

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Solution

The fourth proportional to 768,083.42, 1,152,022.62 and 228,329.58 is: 342,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,083.42 : 1,152,022.62 = 228,329.58 : x
  2. Step 2: Convert to fraction form
    768,083.42/1,152,022.62 = 228,329.58/x
  3. Step 3: Cross multiply
    768,083.42x = 1,152,022.62 × 228,329.58
  4. Step 4: Simplify right side
    768,083.42x = 263,040,840,975.10
  5. Step 5: Solve for x
    x = 263,040,840,975.10/768,083.42
  6. Step 6: Final answer
    x = 342,463.90

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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.