Home / 603,785.13-905,622.17-204,380.25

Finding the Fourth Proportional to 603,785.13, 905,622.17 and 204,380.25

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Solution

The fourth proportional to 603,785.13, 905,622.17 and 204,380.25 is: 306,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,785.13 : 905,622.17 = 204,380.25 : x
  2. Step 2: Convert to fraction form
    603,785.13/905,622.17 = 204,380.25/x
  3. Step 3: Cross multiply
    603,785.13x = 905,622.17 × 204,380.25
  4. Step 4: Simplify right side
    603,785.13x = 185,091,284,488.24
  5. Step 5: Solve for x
    x = 185,091,284,488.24/603,785.13
  6. Step 6: Final answer
    x = 306,551.58

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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.