Home / 913,003.44-1,259,982.36-505,098.60

Finding the Fourth Proportional to 913,003.44, 1,259,982.36 and 505,098.60

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Solution

The fourth proportional to 913,003.44, 1,259,982.36 and 505,098.60 is: 697,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,003.44 : 1,259,982.36 = 505,098.60 : x
  2. Step 2: Convert to fraction form
    913,003.44/1,259,982.36 = 505,098.60/x
  3. Step 3: Cross multiply
    913,003.44x = 1,259,982.36 × 505,098.60
  4. Step 4: Simplify right side
    913,003.44x = 636,415,326,060.70
  5. Step 5: Solve for x
    x = 636,415,326,060.70/913,003.44
  6. Step 6: Final answer
    x = 697,056.88

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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.