Home / 534,004.20-800,034.30-422,418.60

Finding the Fourth Proportional to 534,004.20, 800,034.30 and 422,418.60

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Solution

The fourth proportional to 534,004.20, 800,034.30 and 422,418.60 is: 632,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,004.20 : 800,034.30 = 422,418.60 : x
  2. Step 2: Convert to fraction form
    534,004.20/800,034.30 = 422,418.60/x
  3. Step 3: Cross multiply
    534,004.20x = 800,034.30 × 422,418.60
  4. Step 4: Simplify right side
    534,004.20x = 337,949,368,957.98
  5. Step 5: Solve for x
    x = 337,949,368,957.98/534,004.20
  6. Step 6: Final answer
    x = 632,859.01

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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.