Home / 859,820.08-1,289,728.57-228,733.89

Finding the Fourth Proportional to 859,820.08, 1,289,728.57 and 228,733.89

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Solution

The fourth proportional to 859,820.08, 1,289,728.57 and 228,733.89 is: 343,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,820.08 : 1,289,728.57 = 228,733.89 : x
  2. Step 2: Convert to fraction form
    859,820.08/1,289,728.57 = 228,733.89/x
  3. Step 3: Cross multiply
    859,820.08x = 1,289,728.57 × 228,733.89
  4. Step 4: Simplify right side
    859,820.08x = 295,004,632,860.24
  5. Step 5: Solve for x
    x = 295,004,632,860.24/859,820.08
  6. Step 6: Final answer
    x = 343,100.42

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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.