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Finding the Fourth Proportional to 551,944.80, 828,062.88 and 299,112.96

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Solution

The fourth proportional to 551,944.80, 828,062.88 and 299,112.96 is: 448,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,944.80 : 828,062.88 = 299,112.96 : x
  2. Step 2: Convert to fraction form
    551,944.80/828,062.88 = 299,112.96/x
  3. Step 3: Cross multiply
    551,944.80x = 828,062.88 × 299,112.96
  4. Step 4: Simplify right side
    551,944.80x = 247,684,339,102.93
  5. Step 5: Solve for x
    x = 247,684,339,102.93/551,944.80
  6. Step 6: Final answer
    x = 448,748.39

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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.