Home / 728,795.92-1,092,166.26-344,134.36

Finding the Fourth Proportional to 728,795.92, 1,092,166.26 and 344,134.36

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Solution

The fourth proportional to 728,795.92, 1,092,166.26 and 344,134.36 is: 515,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,795.92 : 1,092,166.26 = 344,134.36 : x
  2. Step 2: Convert to fraction form
    728,795.92/1,092,166.26 = 344,134.36/x
  3. Step 3: Cross multiply
    728,795.92x = 1,092,166.26 × 344,134.36
  4. Step 4: Simplify right side
    728,795.92x = 375,851,936,898.69
  5. Step 5: Solve for x
    x = 375,851,936,898.69/728,795.92
  6. Step 6: Final answer
    x = 515,716.30

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1.5x scale

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.