Home / 494,007.28-738,981.02-394,362.09

Finding the Fourth Proportional to 494,007.28, 738,981.02 and 394,362.09

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Solution

The fourth proportional to 494,007.28, 738,981.02 and 394,362.09 is: 589,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,007.28 : 738,981.02 = 394,362.09 : x
  2. Step 2: Convert to fraction form
    494,007.28/738,981.02 = 394,362.09/x
  3. Step 3: Cross multiply
    494,007.28x = 738,981.02 × 394,362.09
  4. Step 4: Simplify right side
    494,007.28x = 291,426,100,503.44
  5. Step 5: Solve for x
    x = 291,426,100,503.44/494,007.28
  6. Step 6: Final answer
    x = 589,922.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.