Home / 654,176.78-981,264.39-204,932.64

Finding the Fourth Proportional to 654,176.78, 981,264.39 and 204,932.64

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Solution

The fourth proportional to 654,176.78, 981,264.39 and 204,932.64 is: 307,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,176.78 : 981,264.39 = 204,932.64 : x
  2. Step 2: Convert to fraction form
    654,176.78/981,264.39 = 204,932.64/x
  3. Step 3: Cross multiply
    654,176.78x = 981,264.39 × 204,932.64
  4. Step 4: Simplify right side
    654,176.78x = 201,093,101,980.69
  5. Step 5: Solve for x
    x = 201,093,101,980.69/654,176.78
  6. Step 6: Final answer
    x = 307,398.72

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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.