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Finding the Fourth Proportional to 551,351.60, 827,221.80 and 531,911.60

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Solution

The fourth proportional to 551,351.60, 827,221.80 and 531,911.60 is: 798,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,351.60 : 827,221.80 = 531,911.60 : x
  2. Step 2: Convert to fraction form
    551,351.60/827,221.80 = 531,911.60/x
  3. Step 3: Cross multiply
    551,351.60x = 827,221.80 × 531,911.60
  4. Step 4: Simplify right side
    551,351.60x = 440,008,871,192.88
  5. Step 5: Solve for x
    x = 440,008,871,192.88/551,351.60
  6. Step 6: Final answer
    x = 798,054.95

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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.