Home / 671,378.98-1,007,068.78-222,099.82

Finding the Fourth Proportional to 671,378.98, 1,007,068.78 and 222,099.82

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Solution

The fourth proportional to 671,378.98, 1,007,068.78 and 222,099.82 is: 333,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,378.98 : 1,007,068.78 = 222,099.82 : x
  2. Step 2: Convert to fraction form
    671,378.98/1,007,068.78 = 222,099.82/x
  3. Step 3: Cross multiply
    671,378.98x = 1,007,068.78 × 222,099.82
  4. Step 4: Simplify right side
    671,378.98x = 223,669,794,765.62
  5. Step 5: Solve for x
    x = 223,669,794,765.62/671,378.98
  6. Step 6: Final answer
    x = 333,149.83

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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.