Home / 728,214.80-1,092,320.60-195,735.81

Finding the Fourth Proportional to 728,214.80, 1,092,320.60 and 195,735.81

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Solution

The fourth proportional to 728,214.80, 1,092,320.60 and 195,735.81 is: 293,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,214.80 : 1,092,320.60 = 195,735.81 : x
  2. Step 2: Convert to fraction form
    728,214.80/1,092,320.60 = 195,735.81/x
  3. Step 3: Cross multiply
    728,214.80x = 1,092,320.60 × 195,735.81
  4. Step 4: Simplify right side
    728,214.80x = 213,806,256,442.01
  5. Step 5: Solve for x
    x = 213,806,256,442.01/728,214.80
  6. Step 6: Final answer
    x = 293,603.29

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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.