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Finding the Fourth Proportional to 598,087.72, 825,371.94 and 326,158.84

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Solution

The fourth proportional to 598,087.72, 825,371.94 and 326,158.84 is: 450,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,087.72 : 825,371.94 = 326,158.84 : x
  2. Step 2: Convert to fraction form
    598,087.72/825,371.94 = 326,158.84/x
  3. Step 3: Cross multiply
    598,087.72x = 825,371.94 × 326,158.84
  4. Step 4: Simplify right side
    598,087.72x = 269,202,354,518.95
  5. Step 5: Solve for x
    x = 269,202,354,518.95/598,087.72
  6. Step 6: Final answer
    x = 450,105.14

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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.