Home / 741,168.72-1,022,812.74-401,636.97

Finding the Fourth Proportional to 741,168.72, 1,022,812.74 and 401,636.97

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Solution

The fourth proportional to 741,168.72, 1,022,812.74 and 401,636.97 is: 554,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,168.72 : 1,022,812.74 = 401,636.97 : x
  2. Step 2: Convert to fraction form
    741,168.72/1,022,812.74 = 401,636.97/x
  3. Step 3: Cross multiply
    741,168.72x = 1,022,812.74 × 401,636.97
  4. Step 4: Simplify right side
    741,168.72x = 410,799,409,771.00
  5. Step 5: Solve for x
    x = 410,799,409,771.00/741,168.72
  6. Step 6: Final answer
    x = 554,258.97

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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.