Home / 654,449.96-981,673.12-205,172.73

Finding the Fourth Proportional to 654,449.96, 981,673.12 and 205,172.73

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Solution

The fourth proportional to 654,449.96, 981,673.12 and 205,172.73 is: 307,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,449.96 : 981,673.12 = 205,172.73 : x
  2. Step 2: Convert to fraction form
    654,449.96/981,673.12 = 205,172.73/x
  3. Step 3: Cross multiply
    654,449.96x = 981,673.12 × 205,172.73
  4. Step 4: Simplify right side
    654,449.96x = 201,412,554,254.48
  5. Step 5: Solve for x
    x = 201,412,554,254.48/654,449.96
  6. Step 6: Final answer
    x = 307,758.52

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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.