Home / 842,517.32-1,263,775.98-281,551.82

Finding the Fourth Proportional to 842,517.32, 1,263,775.98 and 281,551.82

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Solution

The fourth proportional to 842,517.32, 1,263,775.98 and 281,551.82 is: 422,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,517.32 : 1,263,775.98 = 281,551.82 : x
  2. Step 2: Convert to fraction form
    842,517.32/1,263,775.98 = 281,551.82/x
  3. Step 3: Cross multiply
    842,517.32x = 1,263,775.98 × 281,551.82
  4. Step 4: Simplify right side
    842,517.32x = 355,818,427,241.28
  5. Step 5: Solve for x
    x = 355,818,427,241.28/842,517.32
  6. Step 6: Final answer
    x = 422,327.73

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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.