Home / 741,290.24-1,022,971.38-401,751.20

Finding the Fourth Proportional to 741,290.24, 1,022,971.38 and 401,751.20

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Solution

The fourth proportional to 741,290.24, 1,022,971.38 and 401,751.20 is: 554,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,290.24 : 1,022,971.38 = 401,751.20 : x
  2. Step 2: Convert to fraction form
    741,290.24/1,022,971.38 = 401,751.20/x
  3. Step 3: Cross multiply
    741,290.24x = 1,022,971.38 × 401,751.20
  4. Step 4: Simplify right side
    741,290.24x = 410,979,974,365.80
  5. Step 5: Solve for x
    x = 410,979,974,365.80/741,290.24
  6. Step 6: Final answer
    x = 554,411.69

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Double scale
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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.