Home / 762,422.39-1,143,641.79-229,948.04

Finding the Fourth Proportional to 762,422.39, 1,143,641.79 and 229,948.04

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Solution

The fourth proportional to 762,422.39, 1,143,641.79 and 229,948.04 is: 344,924.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,422.39 : 1,143,641.79 = 229,948.04 : x
  2. Step 2: Convert to fraction form
    762,422.39/1,143,641.79 = 229,948.04/x
  3. Step 3: Cross multiply
    762,422.39x = 1,143,641.79 × 229,948.04
  4. Step 4: Simplify right side
    762,422.39x = 262,978,188,072.59
  5. Step 5: Solve for x
    x = 262,978,188,072.59/762,422.39
  6. Step 6: Final answer
    x = 344,924.53

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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.