Home / 396,975.96-596,229.84-340,178.61

Finding the Fourth Proportional to 396,975.96, 596,229.84 and 340,178.61

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Solution

The fourth proportional to 396,975.96, 596,229.84 and 340,178.61 is: 510,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,975.96 : 596,229.84 = 340,178.61 : x
  2. Step 2: Convert to fraction form
    396,975.96/596,229.84 = 340,178.61/x
  3. Step 3: Cross multiply
    396,975.96x = 596,229.84 × 340,178.61
  4. Step 4: Simplify right side
    396,975.96x = 202,824,638,211.72
  5. Step 5: Solve for x
    x = 202,824,638,211.72/396,975.96
  6. Step 6: Final answer
    x = 510,924.23

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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.