Home / 769,929-1,154,874.06-208,948.92

Finding the Fourth Proportional to 769,929, 1,154,874.06 and 208,948.92

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Solution

The fourth proportional to 769,929, 1,154,874.06 and 208,948.92 is: 313,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,929 : 1,154,874.06 = 208,948.92 : x
  2. Step 2: Convert to fraction form
    769,929/1,154,874.06 = 208,948.92/x
  3. Step 3: Cross multiply
    769,929x = 1,154,874.06 × 208,948.92
  4. Step 4: Simplify right side
    769,929x = 241,309,687,573.02
  5. Step 5: Solve for x
    x = 241,309,687,573.02/769,929
  6. Step 6: Final answer
    x = 313,418.10

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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.