Home / 864,042.66-1,297,186.65-664,504.43

Finding the Fourth Proportional to 864,042.66, 1,297,186.65 and 664,504.43

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Solution

The fourth proportional to 864,042.66, 1,297,186.65 and 664,504.43 is: 997,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,042.66 : 1,297,186.65 = 664,504.43 : x
  2. Step 2: Convert to fraction form
    864,042.66/1,297,186.65 = 664,504.43/x
  3. Step 3: Cross multiply
    864,042.66x = 1,297,186.65 × 664,504.43
  4. Step 4: Simplify right side
    864,042.66x = 861,986,268,975.93
  5. Step 5: Solve for x
    x = 861,986,268,975.93/864,042.66
  6. Step 6: Final answer
    x = 997,620.04

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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.