Home / 749,969.88-1,125,172.67-270,188.55

Finding the Fourth Proportional to 749,969.88, 1,125,172.67 and 270,188.55

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Solution

The fourth proportional to 749,969.88, 1,125,172.67 and 270,188.55 is: 405,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,969.88 : 1,125,172.67 = 270,188.55 : x
  2. Step 2: Convert to fraction form
    749,969.88/1,125,172.67 = 270,188.55/x
  3. Step 3: Cross multiply
    749,969.88x = 1,125,172.67 × 270,188.55
  4. Step 4: Simplify right side
    749,969.88x = 304,008,770,855.99
  5. Step 5: Solve for x
    x = 304,008,770,855.99/749,969.88
  6. Step 6: Final answer
    x = 405,361.31

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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.