Home / 818,244.62-1,227,446.22-278,881.22

Finding the Fourth Proportional to 818,244.62, 1,227,446.22 and 278,881.22

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Solution

The fourth proportional to 818,244.62, 1,227,446.22 and 278,881.22 is: 418,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,244.62 : 1,227,446.22 = 278,881.22 : x
  2. Step 2: Convert to fraction form
    818,244.62/1,227,446.22 = 278,881.22/x
  3. Step 3: Cross multiply
    818,244.62x = 1,227,446.22 × 278,881.22
  4. Step 4: Simplify right side
    818,244.62x = 342,311,699,317.99
  5. Step 5: Solve for x
    x = 342,311,699,317.99/818,244.62
  6. Step 6: Final answer
    x = 418,348.85

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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.