Home / 455,297.70-682,946.55-218,583.30

Finding the Fourth Proportional to 455,297.70, 682,946.55 and 218,583.30

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Solution

The fourth proportional to 455,297.70, 682,946.55 and 218,583.30 is: 327,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,297.70 : 682,946.55 = 218,583.30 : x
  2. Step 2: Convert to fraction form
    455,297.70/682,946.55 = 218,583.30/x
  3. Step 3: Cross multiply
    455,297.70x = 682,946.55 × 218,583.30
  4. Step 4: Simplify right side
    455,297.70x = 149,280,710,622.62
  5. Step 5: Solve for x
    x = 149,280,710,622.62/455,297.70
  6. Step 6: Final answer
    x = 327,874.95

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Similar ratio
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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.