Home / 859,757.40-1,289,634.48-228,671.88

Finding the Fourth Proportional to 859,757.40, 1,289,634.48 and 228,671.88

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Solution

The fourth proportional to 859,757.40, 1,289,634.48 and 228,671.88 is: 343,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,757.40 : 1,289,634.48 = 228,671.88 : x
  2. Step 2: Convert to fraction form
    859,757.40/1,289,634.48 = 228,671.88/x
  3. Step 3: Cross multiply
    859,757.40x = 1,289,634.48 × 228,671.88
  4. Step 4: Simplify right side
    859,757.40x = 294,903,141,054.42
  5. Step 5: Solve for x
    x = 294,903,141,054.42/859,757.40
  6. Step 6: Final answer
    x = 343,007.39

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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.