Home / 889,257.53-1,333,906.14-320,684.51

Finding the Fourth Proportional to 889,257.53, 1,333,906.14 and 320,684.51

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Solution

The fourth proportional to 889,257.53, 1,333,906.14 and 320,684.51 is: 481,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,257.53 : 1,333,906.14 = 320,684.51 : x
  2. Step 2: Convert to fraction form
    889,257.53/1,333,906.14 = 320,684.51/x
  3. Step 3: Cross multiply
    889,257.53x = 1,333,906.14 × 320,684.51
  4. Step 4: Simplify right side
    889,257.53x = 427,763,036,891.89
  5. Step 5: Solve for x
    x = 427,763,036,891.89/889,257.53
  6. Step 6: Final answer
    x = 481,033.92

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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.