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Finding the Fourth Proportional to 551,358.80, 827,038.20 and 440,766.80

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Solution

The fourth proportional to 551,358.80, 827,038.20 and 440,766.80 is: 661,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,358.80 : 827,038.20 = 440,766.80 : x
  2. Step 2: Convert to fraction form
    551,358.80/827,038.20 = 440,766.80/x
  3. Step 3: Cross multiply
    551,358.80x = 827,038.20 × 440,766.80
  4. Step 4: Simplify right side
    551,358.80x = 364,530,980,891.76
  5. Step 5: Solve for x
    x = 364,530,980,891.76/551,358.80
  6. Step 6: Final answer
    x = 661,150.20

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Similar ratio
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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.