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Finding the Fourth Proportional to 551,488.80, 827,233.20 and 298,890.30

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Solution

The fourth proportional to 551,488.80, 827,233.20 and 298,890.30 is: 448,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,488.80 : 827,233.20 = 298,890.30 : x
  2. Step 2: Convert to fraction form
    551,488.80/827,233.20 = 298,890.30/x
  3. Step 3: Cross multiply
    551,488.80x = 827,233.20 × 298,890.30
  4. Step 4: Simplify right side
    551,488.80x = 247,251,979,317.96
  5. Step 5: Solve for x
    x = 247,251,979,317.96/551,488.80
  6. Step 6: Final answer
    x = 448,335.45

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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.