Home / 779,208.58-1,168,857.33-218,286.82

Finding the Fourth Proportional to 779,208.58, 1,168,857.33 and 218,286.82

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Solution

The fourth proportional to 779,208.58, 1,168,857.33 and 218,286.82 is: 327,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,208.58 : 1,168,857.33 = 218,286.82 : x
  2. Step 2: Convert to fraction form
    779,208.58/1,168,857.33 = 218,286.82/x
  3. Step 3: Cross multiply
    779,208.58x = 1,168,857.33 × 218,286.82
  4. Step 4: Simplify right side
    779,208.58x = 255,146,149,599.39
  5. Step 5: Solve for x
    x = 255,146,149,599.39/779,208.58
  6. Step 6: Final answer
    x = 327,442.68

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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.