Home / 859,818.08-1,289,725.57-228,731.89

Finding the Fourth Proportional to 859,818.08, 1,289,725.57 and 228,731.89

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Solution

The fourth proportional to 859,818.08, 1,289,725.57 and 228,731.89 is: 343,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,818.08 : 1,289,725.57 = 228,731.89 : x
  2. Step 2: Convert to fraction form
    859,818.08/1,289,725.57 = 228,731.89/x
  3. Step 3: Cross multiply
    859,818.08x = 1,289,725.57 × 228,731.89
  4. Step 4: Simplify right side
    859,818.08x = 295,001,367,207.43
  5. Step 5: Solve for x
    x = 295,001,367,207.43/859,818.08
  6. Step 6: Final answer
    x = 343,097.42

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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.