Home / 728,795.12-1,092,165.09-344,133.56

Finding the Fourth Proportional to 728,795.12, 1,092,165.09 and 344,133.56

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Solution

The fourth proportional to 728,795.12, 1,092,165.09 and 344,133.56 is: 515,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,795.12 : 1,092,165.09 = 344,133.56 : x
  2. Step 2: Convert to fraction form
    728,795.12/1,092,165.09 = 344,133.56/x
  3. Step 3: Cross multiply
    728,795.12x = 1,092,165.09 × 344,133.56
  4. Step 4: Simplify right side
    728,795.12x = 375,850,661,969.33
  5. Step 5: Solve for x
    x = 375,850,661,969.33/728,795.12
  6. Step 6: Final answer
    x = 515,715.12

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Double scale
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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.