Home / 859,921.39-1,289,911.20-228,835.81

Finding the Fourth Proportional to 859,921.39, 1,289,911.20 and 228,835.81

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Solution

The fourth proportional to 859,921.39, 1,289,911.20 and 228,835.81 is: 343,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,921.39 : 1,289,911.20 = 228,835.81 : x
  2. Step 2: Convert to fraction form
    859,921.39/1,289,911.20 = 228,835.81/x
  3. Step 3: Cross multiply
    859,921.39x = 1,289,911.20 × 228,835.81
  4. Step 4: Simplify right side
    859,921.39x = 295,177,874,280.07
  5. Step 5: Solve for x
    x = 295,177,874,280.07/859,921.39
  6. Step 6: Final answer
    x = 343,261.46

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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.