Home / 790,874.77-1,186,067.02-285,370.38

Finding the Fourth Proportional to 790,874.77, 1,186,067.02 and 285,370.38

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Solution

The fourth proportional to 790,874.77, 1,186,067.02 and 285,370.38 is: 427,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,874.77 : 1,186,067.02 = 285,370.38 : x
  2. Step 2: Convert to fraction form
    790,874.77/1,186,067.02 = 285,370.38/x
  3. Step 3: Cross multiply
    790,874.77x = 1,186,067.02 × 285,370.38
  4. Step 4: Simplify right side
    790,874.77x = 338,468,396,202.87
  5. Step 5: Solve for x
    x = 338,468,396,202.87/790,874.77
  6. Step 6: Final answer
    x = 427,967.12

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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.