Home / 764,382.24-1,054,949.85-493,238.43

Finding the Fourth Proportional to 764,382.24, 1,054,949.85 and 493,238.43

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Solution

The fourth proportional to 764,382.24, 1,054,949.85 and 493,238.43 is: 680,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,382.24 : 1,054,949.85 = 493,238.43 : x
  2. Step 2: Convert to fraction form
    764,382.24/1,054,949.85 = 493,238.43/x
  3. Step 3: Cross multiply
    764,382.24x = 1,054,949.85 × 493,238.43
  4. Step 4: Simplify right side
    764,382.24x = 520,341,807,742.74
  5. Step 5: Solve for x
    x = 520,341,807,742.74/764,382.24
  6. Step 6: Final answer
    x = 680,735.08

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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.