Home / 851,357.06-1,276,998.65-211,647.41

Finding the Fourth Proportional to 851,357.06, 1,276,998.65 and 211,647.41

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Solution

The fourth proportional to 851,357.06, 1,276,998.65 and 211,647.41 is: 317,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,357.06 : 1,276,998.65 = 211,647.41 : x
  2. Step 2: Convert to fraction form
    851,357.06/1,276,998.65 = 211,647.41/x
  3. Step 3: Cross multiply
    851,357.06x = 1,276,998.65 × 211,647.41
  4. Step 4: Simplify right side
    851,357.06x = 270,273,449,402.77
  5. Step 5: Solve for x
    x = 270,273,449,402.77/851,357.06
  6. Step 6: Final answer
    x = 317,461.92

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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.