Home / 805,002.20-1,207,721.07-272,523.27

Finding the Fourth Proportional to 805,002.20, 1,207,721.07 and 272,523.27

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Solution

The fourth proportional to 805,002.20, 1,207,721.07 and 272,523.27 is: 408,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,002.20 : 1,207,721.07 = 272,523.27 : x
  2. Step 2: Convert to fraction form
    805,002.20/1,207,721.07 = 272,523.27/x
  3. Step 3: Cross multiply
    805,002.20x = 1,207,721.07 × 272,523.27
  4. Step 4: Simplify right side
    805,002.20x = 329,132,095,244.30
  5. Step 5: Solve for x
    x = 329,132,095,244.30/805,002.20
  6. Step 6: Final answer
    x = 408,858.63

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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.