Home / 868,062.41-1,301,617.94-268,857.21

Finding the Fourth Proportional to 868,062.41, 1,301,617.94 and 268,857.21

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Solution

The fourth proportional to 868,062.41, 1,301,617.94 and 268,857.21 is: 403,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,062.41 : 1,301,617.94 = 268,857.21 : x
  2. Step 2: Convert to fraction form
    868,062.41/1,301,617.94 = 268,857.21/x
  3. Step 3: Cross multiply
    868,062.41x = 1,301,617.94 × 268,857.21
  4. Step 4: Simplify right side
    868,062.41x = 349,949,366,490.06
  5. Step 5: Solve for x
    x = 349,949,366,490.06/868,062.41
  6. Step 6: Final answer
    x = 403,138.49

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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.