Home / 728,004.70-1,091,812.65-222,564.70

Finding the Fourth Proportional to 728,004.70, 1,091,812.65 and 222,564.70

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Solution

The fourth proportional to 728,004.70, 1,091,812.65 and 222,564.70 is: 333,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,004.70 : 1,091,812.65 = 222,564.70 : x
  2. Step 2: Convert to fraction form
    728,004.70/1,091,812.65 = 222,564.70/x
  3. Step 3: Cross multiply
    728,004.70x = 1,091,812.65 × 222,564.70
  4. Step 4: Simplify right side
    728,004.70x = 242,998,954,903.46
  5. Step 5: Solve for x
    x = 242,998,954,903.46/728,004.70
  6. Step 6: Final answer
    x = 333,787.62

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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.