Home / 741,072.18-1,022,680.29-401,540.43

Finding the Fourth Proportional to 741,072.18, 1,022,680.29 and 401,540.43

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Solution

The fourth proportional to 741,072.18, 1,022,680.29 and 401,540.43 is: 554,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,072.18 : 1,022,680.29 = 401,540.43 : x
  2. Step 2: Convert to fraction form
    741,072.18/1,022,680.29 = 401,540.43/x
  3. Step 3: Cross multiply
    741,072.18x = 1,022,680.29 × 401,540.43
  4. Step 4: Simplify right side
    741,072.18x = 410,647,483,399.13
  5. Step 5: Solve for x
    x = 410,647,483,399.13/741,072.18
  6. Step 6: Final answer
    x = 554,126.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.