Home / 666,639.46-1,000,083.62-267,311.49

Finding the Fourth Proportional to 666,639.46, 1,000,083.62 and 267,311.49

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Solution

The fourth proportional to 666,639.46, 1,000,083.62 and 267,311.49 is: 401,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,639.46 : 1,000,083.62 = 267,311.49 : x
  2. Step 2: Convert to fraction form
    666,639.46/1,000,083.62 = 267,311.49/x
  3. Step 3: Cross multiply
    666,639.46x = 1,000,083.62 × 267,311.49
  4. Step 4: Simplify right side
    666,639.46x = 267,333,842,586.79
  5. Step 5: Solve for x
    x = 267,333,842,586.79/666,639.46
  6. Step 6: Final answer
    x = 401,017.13

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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.