Home / 726,638.16-1,002,899.36-481,190.24

Finding the Fourth Proportional to 726,638.16, 1,002,899.36 and 481,190.24

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Solution

The fourth proportional to 726,638.16, 1,002,899.36 and 481,190.24 is: 664,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,638.16 : 1,002,899.36 = 481,190.24 : x
  2. Step 2: Convert to fraction form
    726,638.16/1,002,899.36 = 481,190.24/x
  3. Step 3: Cross multiply
    726,638.16x = 1,002,899.36 × 481,190.24
  4. Step 4: Simplify right side
    726,638.16x = 482,585,383,734.25
  5. Step 5: Solve for x
    x = 482,585,383,734.25/726,638.16
  6. Step 6: Final answer
    x = 664,134.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.