Home / 851,327.54-1,276,995.87-252,293.88

Finding the Fourth Proportional to 851,327.54, 1,276,995.87 and 252,293.88

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Solution

The fourth proportional to 851,327.54, 1,276,995.87 and 252,293.88 is: 378,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,327.54 : 1,276,995.87 = 252,293.88 : x
  2. Step 2: Convert to fraction form
    851,327.54/1,276,995.87 = 252,293.88/x
  3. Step 3: Cross multiply
    851,327.54x = 1,276,995.87 × 252,293.88
  4. Step 4: Simplify right side
    851,327.54x = 322,178,247,575.01
  5. Step 5: Solve for x
    x = 322,178,247,575.01/851,327.54
  6. Step 6: Final answer
    x = 378,442.18

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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.