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Finding the Fourth Proportional to 803,887.52, 1,204,914 and 323,807.88

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Solution

The fourth proportional to 803,887.52, 1,204,914 and 323,807.88 is: 485,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,887.52 : 1,204,914 = 323,807.88 : x
  2. Step 2: Convert to fraction form
    803,887.52/1,204,914 = 323,807.88/x
  3. Step 3: Cross multiply
    803,887.52x = 1,204,914 × 323,807.88
  4. Step 4: Simplify right side
    803,887.52x = 390,160,647,922.32
  5. Step 5: Solve for x
    x = 390,160,647,922.32/803,887.52
  6. Step 6: Final answer
    x = 485,342.34

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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.