Home / 629,947.08-945,314.82-419,732.64

Finding the Fourth Proportional to 629,947.08, 945,314.82 and 419,732.64

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Solution

The fourth proportional to 629,947.08, 945,314.82 and 419,732.64 is: 629,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,947.08 : 945,314.82 = 419,732.64 : x
  2. Step 2: Convert to fraction form
    629,947.08/945,314.82 = 419,732.64/x
  3. Step 3: Cross multiply
    629,947.08x = 945,314.82 × 419,732.64
  4. Step 4: Simplify right side
    629,947.08x = 396,779,485,029.73
  5. Step 5: Solve for x
    x = 396,779,485,029.73/629,947.08
  6. Step 6: Final answer
    x = 629,861.61

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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.