Home / 889,768.64-1,227,865.60-481,867.20

Finding the Fourth Proportional to 889,768.64, 1,227,865.60 and 481,867.20

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Solution

The fourth proportional to 889,768.64, 1,227,865.60 and 481,867.20 is: 664,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,768.64 : 1,227,865.60 = 481,867.20 : x
  2. Step 2: Convert to fraction form
    889,768.64/1,227,865.60 = 481,867.20/x
  3. Step 3: Cross multiply
    889,768.64x = 1,227,865.60 × 481,867.20
  4. Step 4: Simplify right side
    889,768.64x = 591,668,158,648.32
  5. Step 5: Solve for x
    x = 591,668,158,648.32/889,768.64
  6. Step 6: Final answer
    x = 664,968.55

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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.