Home / 854,709.48-1,282,245.66-322,217.64

Finding the Fourth Proportional to 854,709.48, 1,282,245.66 and 322,217.64

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Solution

The fourth proportional to 854,709.48, 1,282,245.66 and 322,217.64 is: 483,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,709.48 : 1,282,245.66 = 322,217.64 : x
  2. Step 2: Convert to fraction form
    854,709.48/1,282,245.66 = 322,217.64/x
  3. Step 3: Cross multiply
    854,709.48x = 1,282,245.66 × 322,217.64
  4. Step 4: Simplify right side
    854,709.48x = 413,162,170,465.44
  5. Step 5: Solve for x
    x = 413,162,170,465.44/854,709.48
  6. Step 6: Final answer
    x = 483,394.86

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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.