Home / 670,546.50-1,005,819.90-197,231.83

Finding the Fourth Proportional to 670,546.50, 1,005,819.90 and 197,231.83

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Solution

The fourth proportional to 670,546.50, 1,005,819.90 and 197,231.83 is: 295,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,546.50 : 1,005,819.90 = 197,231.83 : x
  2. Step 2: Convert to fraction form
    670,546.50/1,005,819.90 = 197,231.83/x
  3. Step 3: Cross multiply
    670,546.50x = 1,005,819.90 × 197,231.83
  4. Step 4: Simplify right side
    670,546.50x = 198,379,699,527.42
  5. Step 5: Solve for x
    x = 198,379,699,527.42/670,546.50
  6. Step 6: Final answer
    x = 295,847.79

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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.