Home / 684,469.62-1,026,800.91-211,193.46

Finding the Fourth Proportional to 684,469.62, 1,026,800.91 and 211,193.46

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Solution

The fourth proportional to 684,469.62, 1,026,800.91 and 211,193.46 is: 316,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,469.62 : 1,026,800.91 = 211,193.46 : x
  2. Step 2: Convert to fraction form
    684,469.62/1,026,800.91 = 211,193.46/x
  3. Step 3: Cross multiply
    684,469.62x = 1,026,800.91 × 211,193.46
  4. Step 4: Simplify right side
    684,469.62x = 216,853,636,914.05
  5. Step 5: Solve for x
    x = 216,853,636,914.05/684,469.62
  6. Step 6: Final answer
    x = 316,819.96

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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.