Home / 769,418.58-1,061,764.61-425,236.73

Finding the Fourth Proportional to 769,418.58, 1,061,764.61 and 425,236.73

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Solution

The fourth proportional to 769,418.58, 1,061,764.61 and 425,236.73 is: 586,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,418.58 : 1,061,764.61 = 425,236.73 : x
  2. Step 2: Convert to fraction form
    769,418.58/1,061,764.61 = 425,236.73/x
  3. Step 3: Cross multiply
    769,418.58x = 1,061,764.61 × 425,236.73
  4. Step 4: Simplify right side
    769,418.58x = 451,501,303,351.12
  5. Step 5: Solve for x
    x = 451,501,303,351.12/769,418.58
  6. Step 6: Final answer
    x = 586,808.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.