Home / 889,479.90-1,227,467.52-481,578.48

Finding the Fourth Proportional to 889,479.90, 1,227,467.52 and 481,578.48

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Solution

The fourth proportional to 889,479.90, 1,227,467.52 and 481,578.48 is: 664,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,479.90 : 1,227,467.52 = 481,578.48 : x
  2. Step 2: Convert to fraction form
    889,479.90/1,227,467.52 = 481,578.48/x
  3. Step 3: Cross multiply
    889,479.90x = 1,227,467.52 × 481,578.48
  4. Step 4: Simplify right side
    889,479.90x = 591,121,942,530.97
  5. Step 5: Solve for x
    x = 591,121,942,530.97/889,479.90
  6. Step 6: Final answer
    x = 664,570.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.