Home / 825,218.40-1,236,661.20-508,735.20

Finding the Fourth Proportional to 825,218.40, 1,236,661.20 and 508,735.20

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Solution

The fourth proportional to 825,218.40, 1,236,661.20 and 508,735.20 is: 762,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,218.40 : 1,236,661.20 = 508,735.20 : x
  2. Step 2: Convert to fraction form
    825,218.40/1,236,661.20 = 508,735.20/x
  3. Step 3: Cross multiply
    825,218.40x = 1,236,661.20 × 508,735.20
  4. Step 4: Simplify right side
    825,218.40x = 629,133,082,914.24
  5. Step 5: Solve for x
    x = 629,133,082,914.24/825,218.40
  6. Step 6: Final answer
    x = 762,383.73

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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.