Home / 889,733.21-1,227,829.96-481,833.80

Finding the Fourth Proportional to 889,733.21, 1,227,829.96 and 481,833.80

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Solution

The fourth proportional to 889,733.21, 1,227,829.96 and 481,833.80 is: 664,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,733.21 : 1,227,829.96 = 481,833.80 : x
  2. Step 2: Convert to fraction form
    889,733.21/1,227,829.96 = 481,833.80/x
  3. Step 3: Cross multiply
    889,733.21x = 1,227,829.96 × 481,833.80
  4. Step 4: Simplify right side
    889,733.21x = 591,609,974,448.15
  5. Step 5: Solve for x
    x = 591,609,974,448.15/889,733.21
  6. Step 6: Final answer
    x = 664,929.63

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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.