Home / 890,920.25-1,336,310.64-251,198.15

Finding the Fourth Proportional to 890,920.25, 1,336,310.64 and 251,198.15

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Solution

The fourth proportional to 890,920.25, 1,336,310.64 and 251,198.15 is: 376,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,920.25 : 1,336,310.64 = 251,198.15 : x
  2. Step 2: Convert to fraction form
    890,920.25/1,336,310.64 = 251,198.15/x
  3. Step 3: Cross multiply
    890,920.25x = 1,336,310.64 × 251,198.15
  4. Step 4: Simplify right side
    890,920.25x = 335,678,753,911.76
  5. Step 5: Solve for x
    x = 335,678,753,911.76/890,920.25
  6. Step 6: Final answer
    x = 376,777.56

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1.5x scale

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.