Home / 808,620.20-1,212,930.30-276,061.40

Finding the Fourth Proportional to 808,620.20, 1,212,930.30 and 276,061.40

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Solution

The fourth proportional to 808,620.20, 1,212,930.30 and 276,061.40 is: 414,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,620.20 : 1,212,930.30 = 276,061.40 : x
  2. Step 2: Convert to fraction form
    808,620.20/1,212,930.30 = 276,061.40/x
  3. Step 3: Cross multiply
    808,620.20x = 1,212,930.30 × 276,061.40
  4. Step 4: Simplify right side
    808,620.20x = 334,843,236,720.42
  5. Step 5: Solve for x
    x = 334,843,236,720.42/808,620.20
  6. Step 6: Final answer
    x = 414,092.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.