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Finding the Fourth Proportional to 694,532, 958,577.02 and 408,052.02

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Solution

The fourth proportional to 694,532, 958,577.02 and 408,052.02 is: 563,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,532 : 958,577.02 = 408,052.02 : x
  2. Step 2: Convert to fraction form
    694,532/958,577.02 = 408,052.02/x
  3. Step 3: Cross multiply
    694,532x = 958,577.02 × 408,052.02
  4. Step 4: Simplify right side
    694,532x = 391,149,289,336.58
  5. Step 5: Solve for x
    x = 391,149,289,336.58/694,532
  6. Step 6: Final answer
    x = 563,183.97

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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.