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Finding the Fourth Proportional to 639,204.03, 957,892.50 and 469,392.39

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Solution

The fourth proportional to 639,204.03, 957,892.50 and 469,392.39 is: 703,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,204.03 : 957,892.50 = 469,392.39 : x
  2. Step 2: Convert to fraction form
    639,204.03/957,892.50 = 469,392.39/x
  3. Step 3: Cross multiply
    639,204.03x = 957,892.50 × 469,392.39
  4. Step 4: Simplify right side
    639,204.03x = 449,627,449,938.08
  5. Step 5: Solve for x
    x = 449,627,449,938.08/639,204.03
  6. Step 6: Final answer
    x = 703,417.73

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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.