Home / 490,238.60-734,580.30-323,832.20

Finding the Fourth Proportional to 490,238.60, 734,580.30 and 323,832.20

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Solution

The fourth proportional to 490,238.60, 734,580.30 and 323,832.20 is: 485,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,238.60 : 734,580.30 = 323,832.20 : x
  2. Step 2: Convert to fraction form
    490,238.60/734,580.30 = 323,832.20/x
  3. Step 3: Cross multiply
    490,238.60x = 734,580.30 × 323,832.20
  4. Step 4: Simplify right side
    490,238.60x = 237,880,754,625.66
  5. Step 5: Solve for x
    x = 237,880,754,625.66/490,238.60
  6. Step 6: Final answer
    x = 485,234.65

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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.