Home / 790,828.25-1,185,997.05-285,323.54

Finding the Fourth Proportional to 790,828.25, 1,185,997.05 and 285,323.54

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Solution

The fourth proportional to 790,828.25, 1,185,997.05 and 285,323.54 is: 427,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,828.25 : 1,185,997.05 = 285,323.54 : x
  2. Step 2: Convert to fraction form
    790,828.25/1,185,997.05 = 285,323.54/x
  3. Step 3: Cross multiply
    790,828.25x = 1,185,997.05 × 285,323.54
  4. Step 4: Simplify right side
    790,828.25x = 338,392,870,805.57
  5. Step 5: Solve for x
    x = 338,392,870,805.57/790,828.25
  6. Step 6: Final answer
    x = 427,896.79

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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.