Home / 854,080.61-1,281,121.38-222,994.42

Finding the Fourth Proportional to 854,080.61, 1,281,121.38 and 222,994.42

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Solution

The fourth proportional to 854,080.61, 1,281,121.38 and 222,994.42 is: 334,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,080.61 : 1,281,121.38 = 222,994.42 : x
  2. Step 2: Convert to fraction form
    854,080.61/1,281,121.38 = 222,994.42/x
  3. Step 3: Cross multiply
    854,080.61x = 1,281,121.38 × 222,994.42
  4. Step 4: Simplify right side
    854,080.61x = 285,682,915,879.90
  5. Step 5: Solve for x
    x = 285,682,915,879.90/854,080.61
  6. Step 6: Final answer
    x = 334,491.75

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Double scale
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Similar ratio
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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.