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Finding the Fourth Proportional to 902,385.72, 1,353,528.72 and 303,285

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Solution

The fourth proportional to 902,385.72, 1,353,528.72 and 303,285 is: 454,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,385.72 : 1,353,528.72 = 303,285 : x
  2. Step 2: Convert to fraction form
    902,385.72/1,353,528.72 = 303,285/x
  3. Step 3: Cross multiply
    902,385.72x = 1,353,528.72 × 303,285
  4. Step 4: Simplify right side
    902,385.72x = 410,504,957,845.20
  5. Step 5: Solve for x
    x = 410,504,957,845.20/902,385.72
  6. Step 6: Final answer
    x = 454,910.74

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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.