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Finding the Fourth Proportional to 536,211.20, 803,625.60 and 325,625.60

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Solution

The fourth proportional to 536,211.20, 803,625.60 and 325,625.60 is: 488,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,211.20 : 803,625.60 = 325,625.60 : x
  2. Step 2: Convert to fraction form
    536,211.20/803,625.60 = 325,625.60/x
  3. Step 3: Cross multiply
    536,211.20x = 803,625.60 × 325,625.60
  4. Step 4: Simplify right side
    536,211.20x = 261,681,068,175.36
  5. Step 5: Solve for x
    x = 261,681,068,175.36/536,211.20
  6. Step 6: Final answer
    x = 488,018.65

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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.