Home / 711,814.34-1,067,815.48-262,850.78

Finding the Fourth Proportional to 711,814.34, 1,067,815.48 and 262,850.78

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Solution

The fourth proportional to 711,814.34, 1,067,815.48 and 262,850.78 is: 394,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,814.34 : 1,067,815.48 = 262,850.78 : x
  2. Step 2: Convert to fraction form
    711,814.34/1,067,815.48 = 262,850.78/x
  3. Step 3: Cross multiply
    711,814.34x = 1,067,815.48 × 262,850.78
  4. Step 4: Simplify right side
    711,814.34x = 280,676,131,814.07
  5. Step 5: Solve for x
    x = 280,676,131,814.07/711,814.34
  6. Step 6: Final answer
    x = 394,310.87

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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.