Home / 859,817.58-1,289,724.82-228,731.39

Finding the Fourth Proportional to 859,817.58, 1,289,724.82 and 228,731.39

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Solution

The fourth proportional to 859,817.58, 1,289,724.82 and 228,731.39 is: 343,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,817.58 : 1,289,724.82 = 228,731.39 : x
  2. Step 2: Convert to fraction form
    859,817.58/1,289,724.82 = 228,731.39/x
  3. Step 3: Cross multiply
    859,817.58x = 1,289,724.82 × 228,731.39
  4. Step 4: Simplify right side
    859,817.58x = 295,000,550,796.10
  5. Step 5: Solve for x
    x = 295,000,550,796.10/859,817.58
  6. Step 6: Final answer
    x = 343,096.67

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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.