Home / 684,788.58-1,027,311.96-211,363.22

Finding the Fourth Proportional to 684,788.58, 1,027,311.96 and 211,363.22

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Solution

The fourth proportional to 684,788.58, 1,027,311.96 and 211,363.22 is: 317,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,788.58 : 1,027,311.96 = 211,363.22 : x
  2. Step 2: Convert to fraction form
    684,788.58/1,027,311.96 = 211,363.22/x
  3. Step 3: Cross multiply
    684,788.58x = 1,027,311.96 × 211,363.22
  4. Step 4: Simplify right side
    684,788.58x = 217,135,967,171.00
  5. Step 5: Solve for x
    x = 217,135,967,171.00/684,788.58
  6. Step 6: Final answer
    x = 317,084.68

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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.