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Finding the Fourth Proportional to 652,579.92, 978,662.52 and 443,561.04

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Solution

The fourth proportional to 652,579.92, 978,662.52 and 443,561.04 is: 665,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,579.92 : 978,662.52 = 443,561.04 : x
  2. Step 2: Convert to fraction form
    652,579.92/978,662.52 = 443,561.04/x
  3. Step 3: Cross multiply
    652,579.92x = 978,662.52 × 443,561.04
  4. Step 4: Simplify right side
    652,579.92x = 434,096,565,180.22
  5. Step 5: Solve for x
    x = 434,096,565,180.22/652,579.92
  6. Step 6: Final answer
    x = 665,200.62

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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.