Home / 485,410.35-669,869.39-270,564.04

Finding the Fourth Proportional to 485,410.35, 669,869.39 and 270,564.04

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Solution

The fourth proportional to 485,410.35, 669,869.39 and 270,564.04 is: 373,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,410.35 : 669,869.39 = 270,564.04 : x
  2. Step 2: Convert to fraction form
    485,410.35/669,869.39 = 270,564.04/x
  3. Step 3: Cross multiply
    485,410.35x = 669,869.39 × 270,564.04
  4. Step 4: Simplify right side
    485,410.35x = 181,242,568,430.74
  5. Step 5: Solve for x
    x = 181,242,568,430.74/485,410.35
  6. Step 6: Final answer
    x = 373,380.11

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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.