Home / 892,813.88-1,338,081.96-418,454.12

Finding the Fourth Proportional to 892,813.88, 1,338,081.96 and 418,454.12

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Solution

The fourth proportional to 892,813.88, 1,338,081.96 and 418,454.12 is: 627,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,813.88 : 1,338,081.96 = 418,454.12 : x
  2. Step 2: Convert to fraction form
    892,813.88/1,338,081.96 = 418,454.12/x
  3. Step 3: Cross multiply
    892,813.88x = 1,338,081.96 × 418,454.12
  4. Step 4: Simplify right side
    892,813.88x = 559,925,909,059.68
  5. Step 5: Solve for x
    x = 559,925,909,059.68/892,813.88
  6. Step 6: Final answer
    x = 627,147.41

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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.