Home / 868,942.80-1,303,414.20-269,899.20

Finding the Fourth Proportional to 868,942.80, 1,303,414.20 and 269,899.20

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Solution

The fourth proportional to 868,942.80, 1,303,414.20 and 269,899.20 is: 404,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,942.80 : 1,303,414.20 = 269,899.20 : x
  2. Step 2: Convert to fraction form
    868,942.80/1,303,414.20 = 269,899.20/x
  3. Step 3: Cross multiply
    868,942.80x = 1,303,414.20 × 269,899.20
  4. Step 4: Simplify right side
    868,942.80x = 351,790,449,848.64
  5. Step 5: Solve for x
    x = 351,790,449,848.64/868,942.80
  6. Step 6: Final answer
    x = 404,848.80

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1.5x scale

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.