Home / 764,990.04-1,055,723.67-425,451

Finding the Fourth Proportional to 764,990.04, 1,055,723.67 and 425,451

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Solution

The fourth proportional to 764,990.04, 1,055,723.67 and 425,451 is: 587,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,990.04 : 1,055,723.67 = 425,451 : x
  2. Step 2: Convert to fraction form
    764,990.04/1,055,723.67 = 425,451/x
  3. Step 3: Cross multiply
    764,990.04x = 1,055,723.67 × 425,451
  4. Step 4: Simplify right side
    764,990.04x = 449,158,691,125.17
  5. Step 5: Solve for x
    x = 449,158,691,125.17/764,990.04
  6. Step 6: Final answer
    x = 587,143.19

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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.