Home / 442,522.56-663,766.74-126,979.44

Finding the Fourth Proportional to 442,522.56, 663,766.74 and 126,979.44

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Solution

The fourth proportional to 442,522.56, 663,766.74 and 126,979.44 is: 190,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,522.56 : 663,766.74 = 126,979.44 : x
  2. Step 2: Convert to fraction form
    442,522.56/663,766.74 = 126,979.44/x
  3. Step 3: Cross multiply
    442,522.56x = 663,766.74 × 126,979.44
  4. Step 4: Simplify right side
    442,522.56x = 84,284,728,935.83
  5. Step 5: Solve for x
    x = 84,284,728,935.83/442,522.56
  6. Step 6: Final answer
    x = 190,464.25

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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.