Home / 859,908.63-1,289,892.09-228,823.05

Finding the Fourth Proportional to 859,908.63, 1,289,892.09 and 228,823.05

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Solution

The fourth proportional to 859,908.63, 1,289,892.09 and 228,823.05 is: 343,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,908.63 : 1,289,892.09 = 228,823.05 : x
  2. Step 2: Convert to fraction form
    859,908.63/1,289,892.09 = 228,823.05/x
  3. Step 3: Cross multiply
    859,908.63x = 1,289,892.09 × 228,823.05
  4. Step 4: Simplify right side
    859,908.63x = 295,157,042,204.68
  5. Step 5: Solve for x
    x = 295,157,042,204.68/859,908.63
  6. Step 6: Final answer
    x = 343,242.33

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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.