Home / 764,222.55-1,144,839.07-629,480.06

Finding the Fourth Proportional to 764,222.55, 1,144,839.07 and 629,480.06

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Solution

The fourth proportional to 764,222.55, 1,144,839.07 and 629,480.06 is: 942,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,222.55 : 1,144,839.07 = 629,480.06 : x
  2. Step 2: Convert to fraction form
    764,222.55/1,144,839.07 = 629,480.06/x
  3. Step 3: Cross multiply
    764,222.55x = 1,144,839.07 × 629,480.06
  4. Step 4: Simplify right side
    764,222.55x = 720,653,362,288.92
  5. Step 5: Solve for x
    x = 720,653,362,288.92/764,222.55
  6. Step 6: Final answer
    x = 942,988.88

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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.