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Finding the Fourth Proportional to 599,494.40, 898,982.40 and 299,859.20

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Solution

The fourth proportional to 599,494.40, 898,982.40 and 299,859.20 is: 449,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,494.40 : 898,982.40 = 299,859.20 : x
  2. Step 2: Convert to fraction form
    599,494.40/898,982.40 = 299,859.20/x
  3. Step 3: Cross multiply
    599,494.40x = 898,982.40 × 299,859.20
  4. Step 4: Simplify right side
    599,494.40x = 269,568,143,278.08
  5. Step 5: Solve for x
    x = 269,568,143,278.08/599,494.40
  6. Step 6: Final answer
    x = 449,659.15

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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.