Home / 859,816.08-1,289,722.57-228,729.89

Finding the Fourth Proportional to 859,816.08, 1,289,722.57 and 228,729.89

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Solution

The fourth proportional to 859,816.08, 1,289,722.57 and 228,729.89 is: 343,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,816.08 : 1,289,722.57 = 228,729.89 : x
  2. Step 2: Convert to fraction form
    859,816.08/1,289,722.57 = 228,729.89/x
  3. Step 3: Cross multiply
    859,816.08x = 1,289,722.57 × 228,729.89
  4. Step 4: Simplify right side
    859,816.08x = 294,998,104,219.10
  5. Step 5: Solve for x
    x = 294,998,104,219.10/859,816.08
  6. Step 6: Final answer
    x = 343,094.43

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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.