Home / 728,530.20-1,092,795.30-551,383.20

Finding the Fourth Proportional to 728,530.20, 1,092,795.30 and 551,383.20

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Solution

The fourth proportional to 728,530.20, 1,092,795.30 and 551,383.20 is: 827,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,530.20 : 1,092,795.30 = 551,383.20 : x
  2. Step 2: Convert to fraction form
    728,530.20/1,092,795.30 = 551,383.20/x
  3. Step 3: Cross multiply
    728,530.20x = 1,092,795.30 × 551,383.20
  4. Step 4: Simplify right side
    728,530.20x = 602,548,969,458.96
  5. Step 5: Solve for x
    x = 602,548,969,458.96/728,530.20
  6. Step 6: Final answer
    x = 827,074.80

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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.