Home / 868,360.68-1,302,584.22-269,729.64

Finding the Fourth Proportional to 868,360.68, 1,302,584.22 and 269,729.64

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Solution

The fourth proportional to 868,360.68, 1,302,584.22 and 269,729.64 is: 404,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,360.68 : 1,302,584.22 = 269,729.64 : x
  2. Step 2: Convert to fraction form
    868,360.68/1,302,584.22 = 269,729.64/x
  3. Step 3: Cross multiply
    868,360.68x = 1,302,584.22 × 269,729.64
  4. Step 4: Simplify right side
    868,360.68x = 351,345,572,730.28
  5. Step 5: Solve for x
    x = 351,345,572,730.28/868,360.68
  6. Step 6: Final answer
    x = 404,607.88

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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.