Home / 859,831.78-1,289,746.12-228,745.58

Finding the Fourth Proportional to 859,831.78, 1,289,746.12 and 228,745.58

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Solution

The fourth proportional to 859,831.78, 1,289,746.12 and 228,745.58 is: 343,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,831.78 : 1,289,746.12 = 228,745.58 : x
  2. Step 2: Convert to fraction form
    859,831.78/1,289,746.12 = 228,745.58/x
  3. Step 3: Cross multiply
    859,831.78x = 1,289,746.12 × 228,745.58
  4. Step 4: Simplify right side
    859,831.78x = 295,023,724,272.15
  5. Step 5: Solve for x
    x = 295,023,724,272.15/859,831.78
  6. Step 6: Final answer
    x = 343,117.96

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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.