Home / 728,083.90-1,092,617.88-254,773.36

Finding the Fourth Proportional to 728,083.90, 1,092,617.88 and 254,773.36

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Solution

The fourth proportional to 728,083.90, 1,092,617.88 and 254,773.36 is: 382,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,083.90 : 1,092,617.88 = 254,773.36 : x
  2. Step 2: Convert to fraction form
    728,083.90/1,092,617.88 = 254,773.36/x
  3. Step 3: Cross multiply
    728,083.90x = 1,092,617.88 × 254,773.36
  4. Step 4: Simplify right side
    728,083.90x = 278,369,928,483.68
  5. Step 5: Solve for x
    x = 278,369,928,483.68/728,083.90
  6. Step 6: Final answer
    x = 382,332.21

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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.