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Finding the Fourth Proportional to 666,901.15, 1,000,539.03 and 267,822.15

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Solution

The fourth proportional to 666,901.15, 1,000,539.03 and 267,822.15 is: 401,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,901.15 : 1,000,539.03 = 267,822.15 : x
  2. Step 2: Convert to fraction form
    666,901.15/1,000,539.03 = 267,822.15/x
  3. Step 3: Cross multiply
    666,901.15x = 1,000,539.03 × 267,822.15
  4. Step 4: Simplify right side
    666,901.15x = 267,966,511,425.83
  5. Step 5: Solve for x
    x = 267,966,511,425.83/666,901.15
  6. Step 6: Final answer
    x = 401,808.44

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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.