Home / 825,219.40-1,236,662.70-508,736.20

Finding the Fourth Proportional to 825,219.40, 1,236,662.70 and 508,736.20

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Solution

The fourth proportional to 825,219.40, 1,236,662.70 and 508,736.20 is: 762,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,219.40 : 1,236,662.70 = 508,736.20 : x
  2. Step 2: Convert to fraction form
    825,219.40/1,236,662.70 = 508,736.20/x
  3. Step 3: Cross multiply
    825,219.40x = 1,236,662.70 × 508,736.20
  4. Step 4: Simplify right side
    825,219.40x = 629,135,082,679.74
  5. Step 5: Solve for x
    x = 629,135,082,679.74/825,219.40
  6. Step 6: Final answer
    x = 762,385.23

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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.