Home / 779,395.22-1,169,138.19-218,473.46

Finding the Fourth Proportional to 779,395.22, 1,169,138.19 and 218,473.46

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Solution

The fourth proportional to 779,395.22, 1,169,138.19 and 218,473.46 is: 327,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,395.22 : 1,169,138.19 = 218,473.46 : x
  2. Step 2: Convert to fraction form
    779,395.22/1,169,138.19 = 218,473.46/x
  3. Step 3: Cross multiply
    779,395.22x = 1,169,138.19 × 218,473.46
  4. Step 4: Simplify right side
    779,395.22x = 255,425,665,587.44
  5. Step 5: Solve for x
    x = 255,425,665,587.44/779,395.22
  6. Step 6: Final answer
    x = 327,722.90

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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.