Home / 509,164.80-702,489.28-294,226.56

Finding the Fourth Proportional to 509,164.80, 702,489.28 and 294,226.56

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Solution

The fourth proportional to 509,164.80, 702,489.28 and 294,226.56 is: 405,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,164.80 : 702,489.28 = 294,226.56 : x
  2. Step 2: Convert to fraction form
    509,164.80/702,489.28 = 294,226.56/x
  3. Step 3: Cross multiply
    509,164.80x = 702,489.28 × 294,226.56
  4. Step 4: Simplify right side
    509,164.80x = 206,691,004,291.28
  5. Step 5: Solve for x
    x = 206,691,004,291.28/509,164.80
  6. Step 6: Final answer
    x = 405,941.27

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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.