Home / 513,753.87-769,789.29-273,612.82

Finding the Fourth Proportional to 513,753.87, 769,789.29 and 273,612.82

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Solution

The fourth proportional to 513,753.87, 769,789.29 and 273,612.82 is: 409,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,753.87 : 769,789.29 = 273,612.82 : x
  2. Step 2: Convert to fraction form
    513,753.87/769,789.29 = 273,612.82/x
  3. Step 3: Cross multiply
    513,753.87x = 769,789.29 × 273,612.82
  4. Step 4: Simplify right side
    513,753.87x = 210,624,217,448.56
  5. Step 5: Solve for x
    x = 210,624,217,448.56/513,753.87
  6. Step 6: Final answer
    x = 409,971.05

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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.