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Finding the Fourth Proportional to 426,551.64, 588,370.94 and 324,353.03

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Solution

The fourth proportional to 426,551.64, 588,370.94 and 324,353.03 is: 447,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,551.64 : 588,370.94 = 324,353.03 : x
  2. Step 2: Convert to fraction form
    426,551.64/588,370.94 = 324,353.03/x
  3. Step 3: Cross multiply
    426,551.64x = 588,370.94 × 324,353.03
  4. Step 4: Simplify right side
    426,551.64x = 190,839,898,770.03
  5. Step 5: Solve for x
    x = 190,839,898,770.03/426,551.64
  6. Step 6: Final answer
    x = 447,401.62

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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.