Home / 485,410.73-669,869.91-270,564.41

Finding the Fourth Proportional to 485,410.73, 669,869.91 and 270,564.41

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Solution

The fourth proportional to 485,410.73, 669,869.91 and 270,564.41 is: 373,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,410.73 : 669,869.91 = 270,564.41 : x
  2. Step 2: Convert to fraction form
    485,410.73/669,869.91 = 270,564.41/x
  3. Step 3: Cross multiply
    485,410.73x = 669,869.91 × 270,564.41
  4. Step 4: Simplify right side
    485,410.73x = 181,242,958,650.58
  5. Step 5: Solve for x
    x = 181,242,958,650.58/485,410.73
  6. Step 6: Final answer
    x = 373,380.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.