Home / 779,394.72-1,169,137.44-218,472.96

Finding the Fourth Proportional to 779,394.72, 1,169,137.44 and 218,472.96

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Solution

The fourth proportional to 779,394.72, 1,169,137.44 and 218,472.96 is: 327,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,394.72 : 1,169,137.44 = 218,472.96 : x
  2. Step 2: Convert to fraction form
    779,394.72/1,169,137.44 = 218,472.96/x
  3. Step 3: Cross multiply
    779,394.72x = 1,169,137.44 × 218,472.96
  4. Step 4: Simplify right side
    779,394.72x = 255,424,917,163.62
  5. Step 5: Solve for x
    x = 255,424,917,163.62/779,394.72
  6. Step 6: Final answer
    x = 327,722.15

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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.