Home / 764,994.60-1,055,729.88-425,455.56

Finding the Fourth Proportional to 764,994.60, 1,055,729.88 and 425,455.56

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Solution

The fourth proportional to 764,994.60, 1,055,729.88 and 425,455.56 is: 587,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,994.60 : 1,055,729.88 = 425,455.56 : x
  2. Step 2: Convert to fraction form
    764,994.60/1,055,729.88 = 425,455.56/x
  3. Step 3: Cross multiply
    764,994.60x = 1,055,729.88 × 425,455.56
  4. Step 4: Simplify right side
    764,994.60x = 449,166,147,304.13
  5. Step 5: Solve for x
    x = 449,166,147,304.13/764,994.60
  6. Step 6: Final answer
    x = 587,149.44

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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.