Home / 654,381.13-981,584.00-205,092.05

Finding the Fourth Proportional to 654,381.13, 981,584.00 and 205,092.05

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Solution

The fourth proportional to 654,381.13, 981,584.00 and 205,092.05 is: 307,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,381.13 : 981,584.00 = 205,092.05 : x
  2. Step 2: Convert to fraction form
    654,381.13/981,584.00 = 205,092.05/x
  3. Step 3: Cross multiply
    654,381.13x = 981,584.00 × 205,092.05
  4. Step 4: Simplify right side
    654,381.13x = 201,315,073,781.74
  5. Step 5: Solve for x
    x = 201,315,073,781.74/654,381.13
  6. Step 6: Final answer
    x = 307,641.93

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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.