Home / 811,177.22-1,216,794.04-278,694.34

Finding the Fourth Proportional to 811,177.22, 1,216,794.04 and 278,694.34

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Solution

The fourth proportional to 811,177.22, 1,216,794.04 and 278,694.34 is: 418,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,177.22 : 1,216,794.04 = 278,694.34 : x
  2. Step 2: Convert to fraction form
    811,177.22/1,216,794.04 = 278,694.34/x
  3. Step 3: Cross multiply
    811,177.22x = 1,216,794.04 × 278,694.34
  4. Step 4: Simplify right side
    811,177.22x = 339,113,611,893.73
  5. Step 5: Solve for x
    x = 339,113,611,893.73/811,177.22
  6. Step 6: Final answer
    x = 418,051.20

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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.