Home / 728,073.87-1,092,602.87-254,763.33

Finding the Fourth Proportional to 728,073.87, 1,092,602.87 and 254,763.33

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Solution

The fourth proportional to 728,073.87, 1,092,602.87 and 254,763.33 is: 382,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,073.87 : 1,092,602.87 = 254,763.33 : x
  2. Step 2: Convert to fraction form
    728,073.87/1,092,602.87 = 254,763.33/x
  3. Step 3: Cross multiply
    728,073.87x = 1,092,602.87 × 254,763.33
  4. Step 4: Simplify right side
    728,073.87x = 278,355,142,546.09
  5. Step 5: Solve for x
    x = 278,355,142,546.09/728,073.87
  6. Step 6: Final answer
    x = 382,317.17

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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.