Home / 808,103.46-1,212,147.18-309,467.46

Finding the Fourth Proportional to 808,103.46, 1,212,147.18 and 309,467.46

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Solution

The fourth proportional to 808,103.46, 1,212,147.18 and 309,467.46 is: 464,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,103.46 : 1,212,147.18 = 309,467.46 : x
  2. Step 2: Convert to fraction form
    808,103.46/1,212,147.18 = 309,467.46/x
  3. Step 3: Cross multiply
    808,103.46x = 1,212,147.18 × 309,467.46
  4. Step 4: Simplify right side
    808,103.46x = 375,120,108,940.76
  5. Step 5: Solve for x
    x = 375,120,108,940.76/808,103.46
  6. Step 6: Final answer
    x = 464,198.12

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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.