Home / 809,803.26-1,214,580.24-270,069.12

Finding the Fourth Proportional to 809,803.26, 1,214,580.24 and 270,069.12

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Solution

The fourth proportional to 809,803.26, 1,214,580.24 and 270,069.12 is: 405,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,803.26 : 1,214,580.24 = 270,069.12 : x
  2. Step 2: Convert to fraction form
    809,803.26/1,214,580.24 = 270,069.12/x
  3. Step 3: Cross multiply
    809,803.26x = 1,214,580.24 × 270,069.12
  4. Step 4: Simplify right side
    809,803.26x = 328,020,616,586.19
  5. Step 5: Solve for x
    x = 328,020,616,586.19/809,803.26
  6. Step 6: Final answer
    x = 405,062.11

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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.