Home / 862,836.96-1,293,419.52-329,947.68

Finding the Fourth Proportional to 862,836.96, 1,293,419.52 and 329,947.68

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Solution

The fourth proportional to 862,836.96, 1,293,419.52 and 329,947.68 is: 494,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,836.96 : 1,293,419.52 = 329,947.68 : x
  2. Step 2: Convert to fraction form
    862,836.96/1,293,419.52 = 329,947.68/x
  3. Step 3: Cross multiply
    862,836.96x = 1,293,419.52 × 329,947.68
  4. Step 4: Simplify right side
    862,836.96x = 426,760,769,890.71
  5. Step 5: Solve for x
    x = 426,760,769,890.71/862,836.96
  6. Step 6: Final answer
    x = 494,601.87

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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.