Home / 790,875.27-1,186,067.77-285,370.88

Finding the Fourth Proportional to 790,875.27, 1,186,067.77 and 285,370.88

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Solution

The fourth proportional to 790,875.27, 1,186,067.77 and 285,370.88 is: 427,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,875.27 : 1,186,067.77 = 285,370.88 : x
  2. Step 2: Convert to fraction form
    790,875.27/1,186,067.77 = 285,370.88/x
  3. Step 3: Cross multiply
    790,875.27x = 1,186,067.77 × 285,370.88
  4. Step 4: Simplify right side
    790,875.27x = 338,469,203,264.54
  5. Step 5: Solve for x
    x = 338,469,203,264.54/790,875.27
  6. Step 6: Final answer
    x = 427,967.87

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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.