Home / 654,685.48-981,132.27-494,629.84

Finding the Fourth Proportional to 654,685.48, 981,132.27 and 494,629.84

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Solution

The fourth proportional to 654,685.48, 981,132.27 and 494,629.84 is: 741,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,685.48 : 981,132.27 = 494,629.84 : x
  2. Step 2: Convert to fraction form
    654,685.48/981,132.27 = 494,629.84/x
  3. Step 3: Cross multiply
    654,685.48x = 981,132.27 × 494,629.84
  4. Step 4: Simplify right side
    654,685.48x = 485,297,297,728.94
  5. Step 5: Solve for x
    x = 485,297,297,728.94/654,685.48
  6. Step 6: Final answer
    x = 741,267.85

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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.