Home / 851,358.94-1,277,001.45-211,649.29

Finding the Fourth Proportional to 851,358.94, 1,277,001.45 and 211,649.29

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Solution

The fourth proportional to 851,358.94, 1,277,001.45 and 211,649.29 is: 317,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,358.94 : 1,277,001.45 = 211,649.29 : x
  2. Step 2: Convert to fraction form
    851,358.94/1,277,001.45 = 211,649.29/x
  3. Step 3: Cross multiply
    851,358.94x = 1,277,001.45 × 211,649.29
  4. Step 4: Simplify right side
    851,358.94x = 270,276,450,221.47
  5. Step 5: Solve for x
    x = 270,276,450,221.47/851,358.94
  6. Step 6: Final answer
    x = 317,464.75

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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.