Home / 808,817.76-1,213,369.32-276,213.96

Finding the Fourth Proportional to 808,817.76, 1,213,369.32 and 276,213.96

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Solution

The fourth proportional to 808,817.76, 1,213,369.32 and 276,213.96 is: 414,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,817.76 : 1,213,369.32 = 276,213.96 : x
  2. Step 2: Convert to fraction form
    808,817.76/1,213,369.32 = 276,213.96/x
  3. Step 3: Cross multiply
    808,817.76x = 1,213,369.32 × 276,213.96
  4. Step 4: Simplify right side
    808,817.76x = 335,149,544,819.71
  5. Step 5: Solve for x
    x = 335,149,544,819.71/808,817.76
  6. Step 6: Final answer
    x = 414,369.67

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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.