Home / 889,841.90-1,227,975.66-481,934.39

Finding the Fourth Proportional to 889,841.90, 1,227,975.66 and 481,934.39

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Solution

The fourth proportional to 889,841.90, 1,227,975.66 and 481,934.39 is: 665,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,841.90 : 1,227,975.66 = 481,934.39 : x
  2. Step 2: Convert to fraction form
    889,841.90/1,227,975.66 = 481,934.39/x
  3. Step 3: Cross multiply
    889,841.90x = 1,227,975.66 × 481,934.39
  4. Step 4: Simplify right side
    889,841.90x = 591,803,694,497.07
  5. Step 5: Solve for x
    x = 591,803,694,497.07/889,841.90
  6. Step 6: Final answer
    x = 665,066.11

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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.