Home / 741,415.20-1,022,729.36-439,499.04

Finding the Fourth Proportional to 741,415.20, 1,022,729.36 and 439,499.04

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Solution

The fourth proportional to 741,415.20, 1,022,729.36 and 439,499.04 is: 606,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,415.20 : 1,022,729.36 = 439,499.04 : x
  2. Step 2: Convert to fraction form
    741,415.20/1,022,729.36 = 439,499.04/x
  3. Step 3: Cross multiply
    741,415.20x = 1,022,729.36 × 439,499.04
  4. Step 4: Simplify right side
    741,415.20x = 449,488,571,899.81
  5. Step 5: Solve for x
    x = 449,488,571,899.81/741,415.20
  6. Step 6: Final answer
    x = 606,257.56

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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.