Home / 851,357.94-1,276,999.95-211,648.29

Finding the Fourth Proportional to 851,357.94, 1,276,999.95 and 211,648.29

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Solution

The fourth proportional to 851,357.94, 1,276,999.95 and 211,648.29 is: 317,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,357.94 : 1,276,999.95 = 211,648.29 : x
  2. Step 2: Convert to fraction form
    851,357.94/1,276,999.95 = 211,648.29/x
  3. Step 3: Cross multiply
    851,357.94x = 1,276,999.95 × 211,648.29
  4. Step 4: Simplify right side
    851,357.94x = 270,274,855,747.59
  5. Step 5: Solve for x
    x = 270,274,855,747.59/851,357.94
  6. Step 6: Final answer
    x = 317,463.25

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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.