Home / 654,422.44-981,633.94-205,178.32

Finding the Fourth Proportional to 654,422.44, 981,633.94 and 205,178.32

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Solution

The fourth proportional to 654,422.44, 981,633.94 and 205,178.32 is: 307,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,422.44 : 981,633.94 = 205,178.32 : x
  2. Step 2: Convert to fraction form
    654,422.44/981,633.94 = 205,178.32/x
  3. Step 3: Cross multiply
    654,422.44x = 981,633.94 × 205,178.32
  4. Step 4: Simplify right side
    654,422.44x = 201,409,997,856.59
  5. Step 5: Solve for x
    x = 201,409,997,856.59/654,422.44
  6. Step 6: Final answer
    x = 307,767.56

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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.