Home / 794,382.60-1,190,796.30-320,435.40

Finding the Fourth Proportional to 794,382.60, 1,190,796.30 and 320,435.40

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Solution

The fourth proportional to 794,382.60, 1,190,796.30 and 320,435.40 is: 480,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,382.60 : 1,190,796.30 = 320,435.40 : x
  2. Step 2: Convert to fraction form
    794,382.60/1,190,796.30 = 320,435.40/x
  3. Step 3: Cross multiply
    794,382.60x = 1,190,796.30 × 320,435.40
  4. Step 4: Simplify right side
    794,382.60x = 381,573,288,709.02
  5. Step 5: Solve for x
    x = 381,573,288,709.02/794,382.60
  6. Step 6: Final answer
    x = 480,339.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.