Home / 818,534.89-1,227,791.39-211,325.27

Finding the Fourth Proportional to 818,534.89, 1,227,791.39 and 211,325.27

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Solution

The fourth proportional to 818,534.89, 1,227,791.39 and 211,325.27 is: 316,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,534.89 : 1,227,791.39 = 211,325.27 : x
  2. Step 2: Convert to fraction form
    818,534.89/1,227,791.39 = 211,325.27/x
  3. Step 3: Cross multiply
    818,534.89x = 1,227,791.39 × 211,325.27
  4. Step 4: Simplify right side
    818,534.89x = 259,463,346,995.43
  5. Step 5: Solve for x
    x = 259,463,346,995.43/818,534.89
  6. Step 6: Final answer
    x = 316,985.08

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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.