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Finding the Fourth Proportional to 902,801, 1,245,865.56 and 500,393

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Solution

The fourth proportional to 902,801, 1,245,865.56 and 500,393 is: 690,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,801 : 1,245,865.56 = 500,393 : x
  2. Step 2: Convert to fraction form
    902,801/1,245,865.56 = 500,393/x
  3. Step 3: Cross multiply
    902,801x = 1,245,865.56 × 500,393
  4. Step 4: Simplify right side
    902,801x = 623,422,405,165.08
  5. Step 5: Solve for x
    x = 623,422,405,165.08/902,801
  6. Step 6: Final answer
    x = 690,542.44

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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.