Home / 868,989.58-1,303,568.16-269,789.85

Finding the Fourth Proportional to 868,989.58, 1,303,568.16 and 269,789.85

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Solution

The fourth proportional to 868,989.58, 1,303,568.16 and 269,789.85 is: 404,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,989.58 : 1,303,568.16 = 269,789.85 : x
  2. Step 2: Convert to fraction form
    868,989.58/1,303,568.16 = 269,789.85/x
  3. Step 3: Cross multiply
    868,989.58x = 1,303,568.16 × 269,789.85
  4. Step 4: Simplify right side
    868,989.58x = 351,689,458,351.18
  5. Step 5: Solve for x
    x = 351,689,458,351.18/868,989.58
  6. Step 6: Final answer
    x = 404,710.79

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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.