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Finding the Fourth Proportional to 800,511.52, 1,200,767.04 and 301,758.88

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Solution

The fourth proportional to 800,511.52, 1,200,767.04 and 301,758.88 is: 452,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,511.52 : 1,200,767.04 = 301,758.88 : x
  2. Step 2: Convert to fraction form
    800,511.52/1,200,767.04 = 301,758.88/x
  3. Step 3: Cross multiply
    800,511.52x = 1,200,767.04 × 301,758.88
  4. Step 4: Simplify right side
    800,511.52x = 362,342,117,131.32
  5. Step 5: Solve for x
    x = 362,342,117,131.32/800,511.52
  6. Step 6: Final answer
    x = 452,638.23

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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.