Home / 846,396.45-1,269,579.97-340,944.50

Finding the Fourth Proportional to 846,396.45, 1,269,579.97 and 340,944.50

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Solution

The fourth proportional to 846,396.45, 1,269,579.97 and 340,944.50 is: 511,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,396.45 : 1,269,579.97 = 340,944.50 : x
  2. Step 2: Convert to fraction form
    846,396.45/1,269,579.97 = 340,944.50/x
  3. Step 3: Cross multiply
    846,396.45x = 1,269,579.97 × 340,944.50
  4. Step 4: Simplify right side
    846,396.45x = 432,856,313,487.64
  5. Step 5: Solve for x
    x = 432,856,313,487.64/846,396.45
  6. Step 6: Final answer
    x = 511,410.83

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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.