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Finding the Fourth Proportional to 444,489.61, 613,395.62 and 240,540.50

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Solution

The fourth proportional to 444,489.61, 613,395.62 and 240,540.50 is: 331,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,489.61 : 613,395.62 = 240,540.50 : x
  2. Step 2: Convert to fraction form
    444,489.61/613,395.62 = 240,540.50/x
  3. Step 3: Cross multiply
    444,489.61x = 613,395.62 × 240,540.50
  4. Step 4: Simplify right side
    444,489.61x = 147,546,484,862.93
  5. Step 5: Solve for x
    x = 147,546,484,862.93/444,489.61
  6. Step 6: Final answer
    x = 331,945.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.