Home / 419,527.91-629,605.26-284,271.27

Finding the Fourth Proportional to 419,527.91, 629,605.26 and 284,271.27

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Solution

The fourth proportional to 419,527.91, 629,605.26 and 284,271.27 is: 426,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,527.91 : 629,605.26 = 284,271.27 : x
  2. Step 2: Convert to fraction form
    419,527.91/629,605.26 = 284,271.27/x
  3. Step 3: Cross multiply
    419,527.91x = 629,605.26 × 284,271.27
  4. Step 4: Simplify right side
    419,527.91x = 178,978,687,874.23
  5. Step 5: Solve for x
    x = 178,978,687,874.23/419,527.91
  6. Step 6: Final answer
    x = 426,619.26

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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.