Home / 728,402.19-1,092,564.34-222,963.43

Finding the Fourth Proportional to 728,402.19, 1,092,564.34 and 222,963.43

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Solution

The fourth proportional to 728,402.19, 1,092,564.34 and 222,963.43 is: 334,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,402.19 : 1,092,564.34 = 222,963.43 : x
  2. Step 2: Convert to fraction form
    728,402.19/1,092,564.34 = 222,963.43/x
  3. Step 3: Cross multiply
    728,402.19x = 1,092,564.34 × 222,963.43
  4. Step 4: Simplify right side
    728,402.19x = 243,601,892,742.09
  5. Step 5: Solve for x
    x = 243,601,892,742.09/728,402.19
  6. Step 6: Final answer
    x = 334,433.22

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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.