Home / 831,993.84-1,247,994.41-263,377.73

Finding the Fourth Proportional to 831,993.84, 1,247,994.41 and 263,377.73

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Solution

The fourth proportional to 831,993.84, 1,247,994.41 and 263,377.73 is: 395,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,993.84 : 1,247,994.41 = 263,377.73 : x
  2. Step 2: Convert to fraction form
    831,993.84/1,247,994.41 = 263,377.73/x
  3. Step 3: Cross multiply
    831,993.84x = 1,247,994.41 × 263,377.73
  4. Step 4: Simplify right side
    831,993.84x = 328,693,927,201.63
  5. Step 5: Solve for x
    x = 328,693,927,201.63/831,993.84
  6. Step 6: Final answer
    x = 395,067.74

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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.