Home / 855,789.44-1,178,606.84-661,481.30

Finding the Fourth Proportional to 855,789.44, 1,178,606.84 and 661,481.30

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Solution

The fourth proportional to 855,789.44, 1,178,606.84 and 661,481.30 is: 911,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,789.44 : 1,178,606.84 = 661,481.30 : x
  2. Step 2: Convert to fraction form
    855,789.44/1,178,606.84 = 661,481.30/x
  3. Step 3: Cross multiply
    855,789.44x = 1,178,606.84 × 661,481.30
  4. Step 4: Simplify right side
    855,789.44x = 779,626,384,351.20
  5. Step 5: Solve for x
    x = 779,626,384,351.20/855,789.44
  6. Step 6: Final answer
    x = 911,002.58

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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.