Home / 886,873.91-1,330,318.15-381,399.89

Finding the Fourth Proportional to 886,873.91, 1,330,318.15 and 381,399.89

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Solution

The fourth proportional to 886,873.91, 1,330,318.15 and 381,399.89 is: 572,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,873.91 : 1,330,318.15 = 381,399.89 : x
  2. Step 2: Convert to fraction form
    886,873.91/1,330,318.15 = 381,399.89/x
  3. Step 3: Cross multiply
    886,873.91x = 1,330,318.15 × 381,399.89
  4. Step 4: Simplify right side
    886,873.91x = 507,383,188,469.91
  5. Step 5: Solve for x
    x = 507,383,188,469.91/886,873.91
  6. Step 6: Final answer
    x = 572,102.96

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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.