Home / 893,135.44-1,232,540.90-485,245.36

Finding the Fourth Proportional to 893,135.44, 1,232,540.90 and 485,245.36

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Solution

The fourth proportional to 893,135.44, 1,232,540.90 and 485,245.36 is: 669,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,135.44 : 1,232,540.90 = 485,245.36 : x
  2. Step 2: Convert to fraction form
    893,135.44/1,232,540.90 = 485,245.36/x
  3. Step 3: Cross multiply
    893,135.44x = 1,232,540.90 × 485,245.36
  4. Step 4: Simplify right side
    893,135.44x = 598,084,750,309.00
  5. Step 5: Solve for x
    x = 598,084,750,309.00/893,135.44
  6. Step 6: Final answer
    x = 669,646.20

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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.