Home / 787,698.57-1,181,795.72-281,914.73

Finding the Fourth Proportional to 787,698.57, 1,181,795.72 and 281,914.73

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Solution

The fourth proportional to 787,698.57, 1,181,795.72 and 281,914.73 is: 422,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,698.57 : 1,181,795.72 = 281,914.73 : x
  2. Step 2: Convert to fraction form
    787,698.57/1,181,795.72 = 281,914.73/x
  3. Step 3: Cross multiply
    787,698.57x = 1,181,795.72 × 281,914.73
  4. Step 4: Simplify right side
    787,698.57x = 333,165,620,017.91
  5. Step 5: Solve for x
    x = 333,165,620,017.91/787,698.57
  6. Step 6: Final answer
    x = 422,960.80

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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.