Home / 804,976.70-1,207,452.71-205,932.78

Finding the Fourth Proportional to 804,976.70, 1,207,452.71 and 205,932.78

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Solution

The fourth proportional to 804,976.70, 1,207,452.71 and 205,932.78 is: 308,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,976.70 : 1,207,452.71 = 205,932.78 : x
  2. Step 2: Convert to fraction form
    804,976.70/1,207,452.71 = 205,932.78/x
  3. Step 3: Cross multiply
    804,976.70x = 1,207,452.71 × 205,932.78
  4. Step 4: Simplify right side
    804,976.70x = 248,654,093,803.67
  5. Step 5: Solve for x
    x = 248,654,093,803.67/804,976.70
  6. Step 6: Final answer
    x = 308,896.02

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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.