Home / 727,981.62-1,091,975.19-222,540.67

Finding the Fourth Proportional to 727,981.62, 1,091,975.19 and 222,540.67

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Solution

The fourth proportional to 727,981.62, 1,091,975.19 and 222,540.67 is: 333,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,981.62 : 1,091,975.19 = 222,540.67 : x
  2. Step 2: Convert to fraction form
    727,981.62/1,091,975.19 = 222,540.67/x
  3. Step 3: Cross multiply
    727,981.62x = 1,091,975.19 × 222,540.67
  4. Step 4: Simplify right side
    727,981.62x = 243,008,890,405.98
  5. Step 5: Solve for x
    x = 243,008,890,405.98/727,981.62
  6. Step 6: Final answer
    x = 333,811.85

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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.