Home / 969,077.92-1,453,656.96-285,964.78

Finding the Fourth Proportional to 969,077.92, 1,453,656.96 and 285,964.78

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Solution

The fourth proportional to 969,077.92, 1,453,656.96 and 285,964.78 is: 428,958.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,077.92 : 1,453,656.96 = 285,964.78 : x
  2. Step 2: Convert to fraction form
    969,077.92/1,453,656.96 = 285,964.78/x
  3. Step 3: Cross multiply
    969,077.92x = 1,453,656.96 × 285,964.78
  4. Step 4: Simplify right side
    969,077.92x = 415,694,689,127.73
  5. Step 5: Solve for x
    x = 415,694,689,127.73/969,077.92
  6. Step 6: Final answer
    x = 428,958.99

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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.