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Finding the Fourth Proportional to 579,470.82, 799,719.06 and 324,871.20

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Solution

The fourth proportional to 579,470.82, 799,719.06 and 324,871.20 is: 448,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,470.82 : 799,719.06 = 324,871.20 : x
  2. Step 2: Convert to fraction form
    579,470.82/799,719.06 = 324,871.20/x
  3. Step 3: Cross multiply
    579,470.82x = 799,719.06 × 324,871.20
  4. Step 4: Simplify right side
    579,470.82x = 259,805,690,685.07
  5. Step 5: Solve for x
    x = 259,805,690,685.07/579,470.82
  6. Step 6: Final answer
    x = 448,349.91

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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.