Home / 407,979.46-611,531.67-197,327.62

Finding the Fourth Proportional to 407,979.46, 611,531.67 and 197,327.62

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Solution

The fourth proportional to 407,979.46, 611,531.67 and 197,327.62 is: 295,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,979.46 : 611,531.67 = 197,327.62 : x
  2. Step 2: Convert to fraction form
    407,979.46/611,531.67 = 197,327.62/x
  3. Step 3: Cross multiply
    407,979.46x = 611,531.67 × 197,327.62
  4. Step 4: Simplify right side
    407,979.46x = 120,672,088,995.73
  5. Step 5: Solve for x
    x = 120,672,088,995.73/407,979.46
  6. Step 6: Final answer
    x = 295,779.81

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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.