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Finding the Fourth Proportional to 603,785.51, 905,622.73 and 204,380.63

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Solution

The fourth proportional to 603,785.51, 905,622.73 and 204,380.63 is: 306,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,785.51 : 905,622.73 = 204,380.63 : x
  2. Step 2: Convert to fraction form
    603,785.51/905,622.73 = 204,380.63/x
  3. Step 3: Cross multiply
    603,785.51x = 905,622.73 × 204,380.63
  4. Step 4: Simplify right side
    603,785.51x = 185,091,738,549.70
  5. Step 5: Solve for x
    x = 185,091,738,549.70/603,785.51
  6. Step 6: Final answer
    x = 306,552.14

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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.