Home / 697,494.38-1,046,251.28-198,858.38

Finding the Fourth Proportional to 697,494.38, 1,046,251.28 and 198,858.38

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Solution

The fourth proportional to 697,494.38, 1,046,251.28 and 198,858.38 is: 298,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,494.38 : 1,046,251.28 = 198,858.38 : x
  2. Step 2: Convert to fraction form
    697,494.38/1,046,251.28 = 198,858.38/x
  3. Step 3: Cross multiply
    697,494.38x = 1,046,251.28 × 198,858.38
  4. Step 4: Simplify right side
    697,494.38x = 208,055,829,879.62
  5. Step 5: Solve for x
    x = 208,055,829,879.62/697,494.38
  6. Step 6: Final answer
    x = 298,290.33

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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.