Home / 751,202.28-1,036,758.42-428,839.56

Finding the Fourth Proportional to 751,202.28, 1,036,758.42 and 428,839.56

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Solution

The fourth proportional to 751,202.28, 1,036,758.42 and 428,839.56 is: 591,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,202.28 : 1,036,758.42 = 428,839.56 : x
  2. Step 2: Convert to fraction form
    751,202.28/1,036,758.42 = 428,839.56/x
  3. Step 3: Cross multiply
    751,202.28x = 1,036,758.42 × 428,839.56
  4. Step 4: Simplify right side
    751,202.28x = 444,603,024,659.10
  5. Step 5: Solve for x
    x = 444,603,024,659.10/751,202.28
  6. Step 6: Final answer
    x = 591,855.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.