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Finding the Fourth Proportional to 802,892.72, 1,204,339.60 and 203,898.80

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Solution

The fourth proportional to 802,892.72, 1,204,339.60 and 203,898.80 is: 305,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,892.72 : 1,204,339.60 = 203,898.80 : x
  2. Step 2: Convert to fraction form
    802,892.72/1,204,339.60 = 203,898.80/x
  3. Step 3: Cross multiply
    802,892.72x = 1,204,339.60 × 203,898.80
  4. Step 4: Simplify right side
    802,892.72x = 245,563,399,232.48
  5. Step 5: Solve for x
    x = 245,563,399,232.48/802,892.72
  6. Step 6: Final answer
    x = 305,848.33

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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.