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Finding the Fourth Proportional to 551,062.85, 825,335.80 and 263,077.07

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Solution

The fourth proportional to 551,062.85, 825,335.80 and 263,077.07 is: 394,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,062.85 : 825,335.80 = 263,077.07 : x
  2. Step 2: Convert to fraction form
    551,062.85/825,335.80 = 263,077.07/x
  3. Step 3: Cross multiply
    551,062.85x = 825,335.80 × 263,077.07
  4. Step 4: Simplify right side
    551,062.85x = 217,126,923,327.28
  5. Step 5: Solve for x
    x = 217,126,923,327.28/551,062.85
  6. Step 6: Final answer
    x = 394,014.81

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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.