Home / 629,212.02-942,059.21-339,987.43

Finding the Fourth Proportional to 629,212.02, 942,059.21 and 339,987.43

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Solution

The fourth proportional to 629,212.02, 942,059.21 and 339,987.43 is: 509,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,212.02 : 942,059.21 = 339,987.43 : x
  2. Step 2: Convert to fraction form
    629,212.02/942,059.21 = 339,987.43/x
  3. Step 3: Cross multiply
    629,212.02x = 942,059.21 × 339,987.43
  4. Step 4: Simplify right side
    629,212.02x = 320,288,285,806.71
  5. Step 5: Solve for x
    x = 320,288,285,806.71/629,212.02
  6. Step 6: Final answer
    x = 509,030.78

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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.