Home / 494,284.78-741,431.09-323,650.32

Finding the Fourth Proportional to 494,284.78, 741,431.09 and 323,650.32

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Solution

The fourth proportional to 494,284.78, 741,431.09 and 323,650.32 is: 485,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,284.78 : 741,431.09 = 323,650.32 : x
  2. Step 2: Convert to fraction form
    494,284.78/741,431.09 = 323,650.32/x
  3. Step 3: Cross multiply
    494,284.78x = 741,431.09 × 323,650.32
  4. Step 4: Simplify right side
    494,284.78x = 239,964,409,536.45
  5. Step 5: Solve for x
    x = 239,964,409,536.45/494,284.78
  6. Step 6: Final answer
    x = 485,478.05

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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.