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Finding the Fourth Proportional to 599,406.28, 898,411.10 and 220,040.75

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Solution

The fourth proportional to 599,406.28, 898,411.10 and 220,040.75 is: 329,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,406.28 : 898,411.10 = 220,040.75 : x
  2. Step 2: Convert to fraction form
    599,406.28/898,411.10 = 220,040.75/x
  3. Step 3: Cross multiply
    599,406.28x = 898,411.10 × 220,040.75
  4. Step 4: Simplify right side
    599,406.28x = 197,687,053,398.15
  5. Step 5: Solve for x
    x = 197,687,053,398.15/599,406.28
  6. Step 6: Final answer
    x = 329,804.78

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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.