Home / 793,257.43-1,190,358.95-287,857.84

Finding the Fourth Proportional to 793,257.43, 1,190,358.95 and 287,857.84

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Solution

The fourth proportional to 793,257.43, 1,190,358.95 and 287,857.84 is: 431,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,257.43 : 1,190,358.95 = 287,857.84 : x
  2. Step 2: Convert to fraction form
    793,257.43/1,190,358.95 = 287,857.84/x
  3. Step 3: Cross multiply
    793,257.43x = 1,190,358.95 × 287,857.84
  4. Step 4: Simplify right side
    793,257.43x = 342,654,148,780.58
  5. Step 5: Solve for x
    x = 342,654,148,780.58/793,257.43
  6. Step 6: Final answer
    x = 431,958.33

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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.