Home / 728,543.49-1,092,716.81-196,096.47

Finding the Fourth Proportional to 728,543.49, 1,092,716.81 and 196,096.47

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Solution

The fourth proportional to 728,543.49, 1,092,716.81 and 196,096.47 is: 294,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,543.49 : 1,092,716.81 = 196,096.47 : x
  2. Step 2: Convert to fraction form
    728,543.49/1,092,716.81 = 196,096.47/x
  3. Step 3: Cross multiply
    728,543.49x = 1,092,716.81 × 196,096.47
  4. Step 4: Simplify right side
    728,543.49x = 214,277,907,329.60
  5. Step 5: Solve for x
    x = 214,277,907,329.60/728,543.49
  6. Step 6: Final answer
    x = 294,118.21

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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.