Home / 850,831.08-1,276,200.54-259,809

Finding the Fourth Proportional to 850,831.08, 1,276,200.54 and 259,809

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Solution

The fourth proportional to 850,831.08, 1,276,200.54 and 259,809 is: 389,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,831.08 : 1,276,200.54 = 259,809 : x
  2. Step 2: Convert to fraction form
    850,831.08/1,276,200.54 = 259,809/x
  3. Step 3: Cross multiply
    850,831.08x = 1,276,200.54 × 259,809
  4. Step 4: Simplify right side
    850,831.08x = 331,568,386,096.86
  5. Step 5: Solve for x
    x = 331,568,386,096.86/850,831.08
  6. Step 6: Final answer
    x = 389,699.43

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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.