Home / 628,469.86-942,852.39-207,745.72

Finding the Fourth Proportional to 628,469.86, 942,852.39 and 207,745.72

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Solution

The fourth proportional to 628,469.86, 942,852.39 and 207,745.72 is: 311,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,469.86 : 942,852.39 = 207,745.72 : x
  2. Step 2: Convert to fraction form
    628,469.86/942,852.39 = 207,745.72/x
  3. Step 3: Cross multiply
    628,469.86x = 942,852.39 × 207,745.72
  4. Step 4: Simplify right side
    628,469.86x = 195,873,548,614.27
  5. Step 5: Solve for x
    x = 195,873,548,614.27/628,469.86
  6. Step 6: Final answer
    x = 311,667.37

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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.