Home / 654,318.72-981,476.82-205,074.18

Finding the Fourth Proportional to 654,318.72, 981,476.82 and 205,074.18

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Solution

The fourth proportional to 654,318.72, 981,476.82 and 205,074.18 is: 307,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,318.72 : 981,476.82 = 205,074.18 : x
  2. Step 2: Convert to fraction form
    654,318.72/981,476.82 = 205,074.18/x
  3. Step 3: Cross multiply
    654,318.72x = 981,476.82 × 205,074.18
  4. Step 4: Simplify right side
    654,318.72x = 201,275,554,050.51
  5. Step 5: Solve for x
    x = 201,275,554,050.51/654,318.72
  6. Step 6: Final answer
    x = 307,610.88

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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.