Home / 809,809.46-1,214,589.58-270,075.23

Finding the Fourth Proportional to 809,809.46, 1,214,589.58 and 270,075.23

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Solution

The fourth proportional to 809,809.46, 1,214,589.58 and 270,075.23 is: 405,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,809.46 : 1,214,589.58 = 270,075.23 : x
  2. Step 2: Convert to fraction form
    809,809.46/1,214,589.58 = 270,075.23/x
  3. Step 3: Cross multiply
    809,809.46x = 1,214,589.58 × 270,075.23
  4. Step 4: Simplify right side
    809,809.46x = 328,030,560,174.10
  5. Step 5: Solve for x
    x = 328,030,560,174.10/809,809.46
  6. Step 6: Final answer
    x = 405,071.29

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1.5x scale

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.