Home / 792,556.40-1,188,792.80-260,007.36

Finding the Fourth Proportional to 792,556.40, 1,188,792.80 and 260,007.36

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Solution

The fourth proportional to 792,556.40, 1,188,792.80 and 260,007.36 is: 389,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,556.40 : 1,188,792.80 = 260,007.36 : x
  2. Step 2: Convert to fraction form
    792,556.40/1,188,792.80 = 260,007.36/x
  3. Step 3: Cross multiply
    792,556.40x = 1,188,792.80 × 260,007.36
  4. Step 4: Simplify right side
    792,556.40x = 309,094,877,515.01
  5. Step 5: Solve for x
    x = 309,094,877,515.01/792,556.40
  6. Step 6: Final answer
    x = 389,997.33

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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.