Home / 809,828.32-1,214,617.94-270,094.08

Finding the Fourth Proportional to 809,828.32, 1,214,617.94 and 270,094.08

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Solution

The fourth proportional to 809,828.32, 1,214,617.94 and 270,094.08 is: 405,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,828.32 : 1,214,617.94 = 270,094.08 : x
  2. Step 2: Convert to fraction form
    809,828.32/1,214,617.94 = 270,094.08/x
  3. Step 3: Cross multiply
    809,828.32x = 1,214,617.94 × 270,094.08
  4. Step 4: Simplify right side
    809,828.32x = 328,061,115,055.80
  5. Step 5: Solve for x
    x = 328,061,115,055.80/809,828.32
  6. Step 6: Final answer
    x = 405,099.58

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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.