Home / 787,463.73-1,180,235.97-408,175.35

Finding the Fourth Proportional to 787,463.73, 1,180,235.97 and 408,175.35

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Solution

The fourth proportional to 787,463.73, 1,180,235.97 and 408,175.35 is: 611,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,463.73 : 1,180,235.97 = 408,175.35 : x
  2. Step 2: Convert to fraction form
    787,463.73/1,180,235.97 = 408,175.35/x
  3. Step 3: Cross multiply
    787,463.73x = 1,180,235.97 × 408,175.35
  4. Step 4: Simplify right side
    787,463.73x = 481,743,230,137.34
  5. Step 5: Solve for x
    x = 481,743,230,137.34/787,463.73
  6. Step 6: Final answer
    x = 611,765.61

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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.