Home / 666,883.09-1,000,511.89-267,804.09

Finding the Fourth Proportional to 666,883.09, 1,000,511.89 and 267,804.09

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Solution

The fourth proportional to 666,883.09, 1,000,511.89 and 267,804.09 is: 401,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,883.09 : 1,000,511.89 = 267,804.09 : x
  2. Step 2: Convert to fraction form
    666,883.09/1,000,511.89 = 267,804.09/x
  3. Step 3: Cross multiply
    666,883.09x = 1,000,511.89 × 267,804.09
  4. Step 4: Simplify right side
    666,883.09x = 267,941,171,233.07
  5. Step 5: Solve for x
    x = 267,941,171,233.07/666,883.09
  6. Step 6: Final answer
    x = 401,781.33

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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.