Home / 494,476.28-682,464.62-290,527.16

Finding the Fourth Proportional to 494,476.28, 682,464.62 and 290,527.16

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Solution

The fourth proportional to 494,476.28, 682,464.62 and 290,527.16 is: 400,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,476.28 : 682,464.62 = 290,527.16 : x
  2. Step 2: Convert to fraction form
    494,476.28/682,464.62 = 290,527.16/x
  3. Step 3: Cross multiply
    494,476.28x = 682,464.62 × 290,527.16
  4. Step 4: Simplify right side
    494,476.28x = 198,274,507,849.08
  5. Step 5: Solve for x
    x = 198,274,507,849.08/494,476.28
  6. Step 6: Final answer
    x = 400,978.80

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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.