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Finding the Fourth Proportional to 490,752.27, 677,234.12 and 275,893.29

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Solution

The fourth proportional to 490,752.27, 677,234.12 and 275,893.29 is: 380,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,752.27 : 677,234.12 = 275,893.29 : x
  2. Step 2: Convert to fraction form
    490,752.27/677,234.12 = 275,893.29/x
  3. Step 3: Cross multiply
    490,752.27x = 677,234.12 × 275,893.29
  4. Step 4: Simplify right side
    490,752.27x = 186,844,348,087.59
  5. Step 5: Solve for x
    x = 186,844,348,087.59/490,752.27
  6. Step 6: Final answer
    x = 380,730.48

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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.