Home / 401,579.78-602,660.99-323,635.10

Finding the Fourth Proportional to 401,579.78, 602,660.99 and 323,635.10

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Solution

The fourth proportional to 401,579.78, 602,660.99 and 323,635.10 is: 485,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,579.78 : 602,660.99 = 323,635.10 : x
  2. Step 2: Convert to fraction form
    401,579.78/602,660.99 = 323,635.10/x
  3. Step 3: Cross multiply
    401,579.78x = 602,660.99 × 323,635.10
  4. Step 4: Simplify right side
    401,579.78x = 195,042,247,560.53
  5. Step 5: Solve for x
    x = 195,042,247,560.53/401,579.78
  6. Step 6: Final answer
    x = 485,687.43

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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.