Home / 812,770.12-1,219,067.70-244,091.80

Finding the Fourth Proportional to 812,770.12, 1,219,067.70 and 244,091.80

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Solution

The fourth proportional to 812,770.12, 1,219,067.70 and 244,091.80 is: 366,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,770.12 : 1,219,067.70 = 244,091.80 : x
  2. Step 2: Convert to fraction form
    812,770.12/1,219,067.70 = 244,091.80/x
  3. Step 3: Cross multiply
    812,770.12x = 1,219,067.70 × 244,091.80
  4. Step 4: Simplify right side
    812,770.12x = 297,564,429,214.86
  5. Step 5: Solve for x
    x = 297,564,429,214.86/812,770.12
  6. Step 6: Final answer
    x = 366,111.43

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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.