Home / 862,081.12-1,293,199.59-329,606.76

Finding the Fourth Proportional to 862,081.12, 1,293,199.59 and 329,606.76

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Solution

The fourth proportional to 862,081.12, 1,293,199.59 and 329,606.76 is: 494,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,081.12 : 1,293,199.59 = 329,606.76 : x
  2. Step 2: Convert to fraction form
    862,081.12/1,293,199.59 = 329,606.76/x
  3. Step 3: Cross multiply
    862,081.12x = 1,293,199.59 × 329,606.76
  4. Step 4: Simplify right side
    862,081.12x = 426,247,325,245.20
  5. Step 5: Solve for x
    x = 426,247,325,245.20/862,081.12
  6. Step 6: Final answer
    x = 494,439.93

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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.