Home / 654,669.81-981,108.92-494,614.22

Finding the Fourth Proportional to 654,669.81, 981,108.92 and 494,614.22

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Solution

The fourth proportional to 654,669.81, 981,108.92 and 494,614.22 is: 741,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,669.81 : 981,108.92 = 494,614.22 : x
  2. Step 2: Convert to fraction form
    654,669.81/981,108.92 = 494,614.22/x
  3. Step 3: Cross multiply
    654,669.81x = 981,108.92 × 494,614.22
  4. Step 4: Simplify right side
    654,669.81x = 485,270,419,531.83
  5. Step 5: Solve for x
    x = 485,270,419,531.83/654,669.81
  6. Step 6: Final answer
    x = 741,244.54

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1.5x scale

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.