Home / 641,021.30-961,104.83-352,968.62

Finding the Fourth Proportional to 641,021.30, 961,104.83 and 352,968.62

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Solution

The fourth proportional to 641,021.30, 961,104.83 and 352,968.62 is: 529,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,021.30 : 961,104.83 = 352,968.62 : x
  2. Step 2: Convert to fraction form
    641,021.30/961,104.83 = 352,968.62/x
  3. Step 3: Cross multiply
    641,021.30x = 961,104.83 × 352,968.62
  4. Step 4: Simplify right side
    641,021.30x = 339,239,846,158.35
  5. Step 5: Solve for x
    x = 339,239,846,158.35/641,021.30
  6. Step 6: Final answer
    x = 529,217.75

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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.