Home / 764,933.60-1,055,609.43-425,401.85

Finding the Fourth Proportional to 764,933.60, 1,055,609.43 and 425,401.85

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Solution

The fourth proportional to 764,933.60, 1,055,609.43 and 425,401.85 is: 587,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,933.60 : 1,055,609.43 = 425,401.85 : x
  2. Step 2: Convert to fraction form
    764,933.60/1,055,609.43 = 425,401.85/x
  3. Step 3: Cross multiply
    764,933.60x = 1,055,609.43 × 425,401.85
  4. Step 4: Simplify right side
    764,933.60x = 449,058,204,399.45
  5. Step 5: Solve for x
    x = 449,058,204,399.45/764,933.60
  6. Step 6: Final answer
    x = 587,055.14

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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.