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Finding the Fourth Proportional to 532,180.94, 798,505.25 and 279,402.68

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Solution

The fourth proportional to 532,180.94, 798,505.25 and 279,402.68 is: 419,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,180.94 : 798,505.25 = 279,402.68 : x
  2. Step 2: Convert to fraction form
    532,180.94/798,505.25 = 279,402.68/x
  3. Step 3: Cross multiply
    532,180.94x = 798,505.25 × 279,402.68
  4. Step 4: Simplify right side
    532,180.94x = 223,104,507,443.32
  5. Step 5: Solve for x
    x = 223,104,507,443.32/532,180.94
  6. Step 6: Final answer
    x = 419,226.79

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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.