Home / 842,732.12-1,264,218.12-273,930.35

Finding the Fourth Proportional to 842,732.12, 1,264,218.12 and 273,930.35

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Solution

The fourth proportional to 842,732.12, 1,264,218.12 and 273,930.35 is: 410,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,732.12 : 1,264,218.12 = 273,930.35 : x
  2. Step 2: Convert to fraction form
    842,732.12/1,264,218.12 = 273,930.35/x
  3. Step 3: Cross multiply
    842,732.12x = 1,264,218.12 × 273,930.35
  4. Step 4: Simplify right side
    842,732.12x = 346,307,705,766.85
  5. Step 5: Solve for x
    x = 346,307,705,766.85/842,732.12
  6. Step 6: Final answer
    x = 410,934.51

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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.