Home / 851,327.76-1,276,954.73-211,617.96

Finding the Fourth Proportional to 851,327.76, 1,276,954.73 and 211,617.96

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Solution

The fourth proportional to 851,327.76, 1,276,954.73 and 211,617.96 is: 317,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,327.76 : 1,276,954.73 = 211,617.96 : x
  2. Step 2: Convert to fraction form
    851,327.76/1,276,954.73 = 211,617.96/x
  3. Step 3: Cross multiply
    851,327.76x = 1,276,954.73 × 211,617.96
  4. Step 4: Simplify right side
    851,327.76x = 270,226,555,504.00
  5. Step 5: Solve for x
    x = 270,226,555,504.00/851,327.76
  6. Step 6: Final answer
    x = 317,417.77

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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.