Home / 666,976.33-1,000,650.72-267,897.36

Finding the Fourth Proportional to 666,976.33, 1,000,650.72 and 267,897.36

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Solution

The fourth proportional to 666,976.33, 1,000,650.72 and 267,897.36 is: 401,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,976.33 : 1,000,650.72 = 267,897.36 : x
  2. Step 2: Convert to fraction form
    666,976.33/1,000,650.72 = 267,897.36/x
  3. Step 3: Cross multiply
    666,976.33x = 1,000,650.72 × 267,897.36
  4. Step 4: Simplify right side
    666,976.33x = 268,071,686,170.10
  5. Step 5: Solve for x
    x = 268,071,686,170.10/666,976.33
  6. Step 6: Final answer
    x = 401,920.84

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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.