Home / 741,073.88-1,022,682.90-401,542.04

Finding the Fourth Proportional to 741,073.88, 1,022,682.90 and 401,542.04

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Solution

The fourth proportional to 741,073.88, 1,022,682.90 and 401,542.04 is: 554,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,073.88 : 1,022,682.90 = 401,542.04 : x
  2. Step 2: Convert to fraction form
    741,073.88/1,022,682.90 = 401,542.04/x
  3. Step 3: Cross multiply
    741,073.88x = 1,022,682.90 × 401,542.04
  4. Step 4: Simplify right side
    741,073.88x = 410,650,177,939.12
  5. Step 5: Solve for x
    x = 410,650,177,939.12/741,073.88
  6. Step 6: Final answer
    x = 554,128.53

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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.