Home / 728,469.30-1,092,441.50-307,777.98

Finding the Fourth Proportional to 728,469.30, 1,092,441.50 and 307,777.98

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Solution

The fourth proportional to 728,469.30, 1,092,441.50 and 307,777.98 is: 461,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,469.30 : 1,092,441.50 = 307,777.98 : x
  2. Step 2: Convert to fraction form
    728,469.30/1,092,441.50 = 307,777.98/x
  3. Step 3: Cross multiply
    728,469.30x = 1,092,441.50 × 307,777.98
  4. Step 4: Simplify right side
    728,469.30x = 336,229,438,138.17
  5. Step 5: Solve for x
    x = 336,229,438,138.17/728,469.30
  6. Step 6: Final answer
    x = 461,556.08

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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.