Home / 628,370.37-942,701.35-207,620.73

Finding the Fourth Proportional to 628,370.37, 942,701.35 and 207,620.73

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Solution

The fourth proportional to 628,370.37, 942,701.35 and 207,620.73 is: 311,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,370.37 : 942,701.35 = 207,620.73 : x
  2. Step 2: Convert to fraction form
    628,370.37/942,701.35 = 207,620.73/x
  3. Step 3: Cross multiply
    628,370.37x = 942,701.35 × 207,620.73
  4. Step 4: Simplify right side
    628,370.37x = 195,724,342,458.99
  5. Step 5: Solve for x
    x = 195,724,342,458.99/628,370.37
  6. Step 6: Final answer
    x = 311,479.27

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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.