Home / 741,273.36-1,022,929.74-401,734.32

Finding the Fourth Proportional to 741,273.36, 1,022,929.74 and 401,734.32

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Solution

The fourth proportional to 741,273.36, 1,022,929.74 and 401,734.32 is: 554,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,273.36 : 1,022,929.74 = 401,734.32 : x
  2. Step 2: Convert to fraction form
    741,273.36/1,022,929.74 = 401,734.32/x
  3. Step 3: Cross multiply
    741,273.36x = 1,022,929.74 × 401,734.32
  4. Step 4: Simplify right side
    741,273.36x = 410,945,983,506.68
  5. Step 5: Solve for x
    x = 410,945,983,506.68/741,273.36
  6. Step 6: Final answer
    x = 554,378.46

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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.