Home / 868,767.40-1,303,248.30-269,723.80

Finding the Fourth Proportional to 868,767.40, 1,303,248.30 and 269,723.80

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Solution

The fourth proportional to 868,767.40, 1,303,248.30 and 269,723.80 is: 404,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,767.40 : 1,303,248.30 = 269,723.80 : x
  2. Step 2: Convert to fraction form
    868,767.40/1,303,248.30 = 269,723.80/x
  3. Step 3: Cross multiply
    868,767.40x = 1,303,248.30 × 269,723.80
  4. Step 4: Simplify right side
    868,767.40x = 351,517,083,819.54
  5. Step 5: Solve for x
    x = 351,517,083,819.54/868,767.40
  6. Step 6: Final answer
    x = 404,615.88

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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.