Home / 494,614.08-681,812.64-303,272.64

Finding the Fourth Proportional to 494,614.08, 681,812.64 and 303,272.64

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Solution

The fourth proportional to 494,614.08, 681,812.64 and 303,272.64 is: 418,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,614.08 : 681,812.64 = 303,272.64 : x
  2. Step 2: Convert to fraction form
    494,614.08/681,812.64 = 303,272.64/x
  3. Step 3: Cross multiply
    494,614.08x = 681,812.64 × 303,272.64
  4. Step 4: Simplify right side
    494,614.08x = 206,775,119,318.17
  5. Step 5: Solve for x
    x = 206,775,119,318.17/494,614.08
  6. Step 6: Final answer
    x = 418,053.44

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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.