Home / 872,893.83-1,308,146.36-659,486.37

Finding the Fourth Proportional to 872,893.83, 1,308,146.36 and 659,486.37

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Solution

The fourth proportional to 872,893.83, 1,308,146.36 and 659,486.37 is: 988,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,893.83 : 1,308,146.36 = 659,486.37 : x
  2. Step 2: Convert to fraction form
    872,893.83/1,308,146.36 = 659,486.37/x
  3. Step 3: Cross multiply
    872,893.83x = 1,308,146.36 × 659,486.37
  4. Step 4: Simplify right side
    872,893.83x = 862,704,691,087.68
  5. Step 5: Solve for x
    x = 862,704,691,087.68/872,893.83
  6. Step 6: Final answer
    x = 988,327.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.