Home / 480,622.20-720,998.10-165,175.80

Finding the Fourth Proportional to 480,622.20, 720,998.10 and 165,175.80

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Solution

The fourth proportional to 480,622.20, 720,998.10 and 165,175.80 is: 247,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,622.20 : 720,998.10 = 165,175.80 : x
  2. Step 2: Convert to fraction form
    480,622.20/720,998.10 = 165,175.80/x
  3. Step 3: Cross multiply
    480,622.20x = 720,998.10 × 165,175.80
  4. Step 4: Simplify right side
    480,622.20x = 119,091,437,965.98
  5. Step 5: Solve for x
    x = 119,091,437,965.98/480,622.20
  6. Step 6: Final answer
    x = 247,785.97

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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.