Home / 719,164.92-1,078,864.44-269,921.12

Finding the Fourth Proportional to 719,164.92, 1,078,864.44 and 269,921.12

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Solution

The fourth proportional to 719,164.92, 1,078,864.44 and 269,921.12 is: 404,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,164.92 : 1,078,864.44 = 269,921.12 : x
  2. Step 2: Convert to fraction form
    719,164.92/1,078,864.44 = 269,921.12/x
  3. Step 3: Cross multiply
    719,164.92x = 1,078,864.44 × 269,921.12
  4. Step 4: Simplify right side
    719,164.92x = 291,208,297,972.97
  5. Step 5: Solve for x
    x = 291,208,297,972.97/719,164.92
  6. Step 6: Final answer
    x = 404,925.62

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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.