Home / 741,223.54-1,022,889.36-401,691.79

Finding the Fourth Proportional to 741,223.54, 1,022,889.36 and 401,691.79

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Solution

The fourth proportional to 741,223.54, 1,022,889.36 and 401,691.79 is: 554,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,223.54 : 1,022,889.36 = 401,691.79 : x
  2. Step 2: Convert to fraction form
    741,223.54/1,022,889.36 = 401,691.79/x
  3. Step 3: Cross multiply
    741,223.54x = 1,022,889.36 × 401,691.79
  4. Step 4: Simplify right side
    741,223.54x = 410,886,257,990.35
  5. Step 5: Solve for x
    x = 410,886,257,990.35/741,223.54
  6. Step 6: Final answer
    x = 554,335.14

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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.