Home / 804,964.14-1,207,487.55-205,930.50

Finding the Fourth Proportional to 804,964.14, 1,207,487.55 and 205,930.50

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Solution

The fourth proportional to 804,964.14, 1,207,487.55 and 205,930.50 is: 308,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,964.14 : 1,207,487.55 = 205,930.50 : x
  2. Step 2: Convert to fraction form
    804,964.14/1,207,487.55 = 205,930.50/x
  3. Step 3: Cross multiply
    804,964.14x = 1,207,487.55 × 205,930.50
  4. Step 4: Simplify right side
    804,964.14x = 248,658,514,915.28
  5. Step 5: Solve for x
    x = 248,658,514,915.28/804,964.14
  6. Step 6: Final answer
    x = 308,906.33

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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.