Home / 449,040.43-619,675.79-306,050.27

Finding the Fourth Proportional to 449,040.43, 619,675.79 and 306,050.27

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Solution

The fourth proportional to 449,040.43, 619,675.79 and 306,050.27 is: 422,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,040.43 : 619,675.79 = 306,050.27 : x
  2. Step 2: Convert to fraction form
    449,040.43/619,675.79 = 306,050.27/x
  3. Step 3: Cross multiply
    449,040.43x = 619,675.79 × 306,050.27
  4. Step 4: Simplify right side
    449,040.43x = 189,651,939,743.58
  5. Step 5: Solve for x
    x = 189,651,939,743.58/449,040.43
  6. Step 6: Final answer
    x = 422,349.37

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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.