Home / 613,147.62-919,721.79-293,223.90

Finding the Fourth Proportional to 613,147.62, 919,721.79 and 293,223.90

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Solution

The fourth proportional to 613,147.62, 919,721.79 and 293,223.90 is: 439,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,147.62 : 919,721.79 = 293,223.90 : x
  2. Step 2: Convert to fraction form
    613,147.62/919,721.79 = 293,223.90/x
  3. Step 3: Cross multiply
    613,147.62x = 919,721.79 × 293,223.90
  4. Step 4: Simplify right side
    613,147.62x = 269,684,410,178.78
  5. Step 5: Solve for x
    x = 269,684,410,178.78/613,147.62
  6. Step 6: Final answer
    x = 439,836.02

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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.