Home / 694,540.80-1,042,135.32-245,601.68

Finding the Fourth Proportional to 694,540.80, 1,042,135.32 and 245,601.68

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Solution

The fourth proportional to 694,540.80, 1,042,135.32 and 245,601.68 is: 368,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,540.80 : 1,042,135.32 = 245,601.68 : x
  2. Step 2: Convert to fraction form
    694,540.80/1,042,135.32 = 245,601.68/x
  3. Step 3: Cross multiply
    694,540.80x = 1,042,135.32 × 245,601.68
  4. Step 4: Simplify right side
    694,540.80x = 255,950,185,379.34
  5. Step 5: Solve for x
    x = 255,950,185,379.34/694,540.80
  6. Step 6: Final answer
    x = 368,517.13

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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.