Home / 727,867.89-1,091,998.35-222,415.02

Finding the Fourth Proportional to 727,867.89, 1,091,998.35 and 222,415.02

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Solution

The fourth proportional to 727,867.89, 1,091,998.35 and 222,415.02 is: 333,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,867.89 : 1,091,998.35 = 222,415.02 : x
  2. Step 2: Convert to fraction form
    727,867.89/1,091,998.35 = 222,415.02/x
  3. Step 3: Cross multiply
    727,867.89x = 1,091,998.35 × 222,415.02
  4. Step 4: Simplify right side
    727,867.89x = 242,876,834,855.22
  5. Step 5: Solve for x
    x = 242,876,834,855.22/727,867.89
  6. Step 6: Final answer
    x = 333,682.58

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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.