Home / 782,134.61-1,172,906.64-361,115.24

Finding the Fourth Proportional to 782,134.61, 1,172,906.64 and 361,115.24

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Solution

The fourth proportional to 782,134.61, 1,172,906.64 and 361,115.24 is: 541,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,134.61 : 1,172,906.64 = 361,115.24 : x
  2. Step 2: Convert to fraction form
    782,134.61/1,172,906.64 = 361,115.24/x
  3. Step 3: Cross multiply
    782,134.61x = 1,172,906.64 × 361,115.24
  4. Step 4: Simplify right side
    782,134.61x = 423,554,456,936.66
  5. Step 5: Solve for x
    x = 423,554,456,936.66/782,134.61
  6. Step 6: Final answer
    x = 541,536.53

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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.