Home / 810,704.58-1,216,204.94-270,909.70

Finding the Fourth Proportional to 810,704.58, 1,216,204.94 and 270,909.70

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Solution

The fourth proportional to 810,704.58, 1,216,204.94 and 270,909.70 is: 406,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,704.58 : 1,216,204.94 = 270,909.70 : x
  2. Step 2: Convert to fraction form
    810,704.58/1,216,204.94 = 270,909.70/x
  3. Step 3: Cross multiply
    810,704.58x = 1,216,204.94 × 270,909.70
  4. Step 4: Simplify right side
    810,704.58x = 329,481,713,070.68
  5. Step 5: Solve for x
    x = 329,481,713,070.68/810,704.58
  6. Step 6: Final answer
    x = 406,414.03

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1.5x scale

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.