Home / 329,723.20-493,272.60-285,837.40

Finding the Fourth Proportional to 329,723.20, 493,272.60 and 285,837.40

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Solution

The fourth proportional to 329,723.20, 493,272.60 and 285,837.40 is: 427,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,723.20 : 493,272.60 = 285,837.40 : x
  2. Step 2: Convert to fraction form
    329,723.20/493,272.60 = 285,837.40/x
  3. Step 3: Cross multiply
    329,723.20x = 493,272.60 × 285,837.40
  4. Step 4: Simplify right side
    329,723.20x = 140,995,757,475.24
  5. Step 5: Solve for x
    x = 140,995,757,475.24/329,723.20
  6. Step 6: Final answer
    x = 427,618.55

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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.