Home / 870,249.22-1,200,964.62-488,304.25

Finding the Fourth Proportional to 870,249.22, 1,200,964.62 and 488,304.25

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Solution

The fourth proportional to 870,249.22, 1,200,964.62 and 488,304.25 is: 673,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,249.22 : 1,200,964.62 = 488,304.25 : x
  2. Step 2: Convert to fraction form
    870,249.22/1,200,964.62 = 488,304.25/x
  3. Step 3: Cross multiply
    870,249.22x = 1,200,964.62 × 488,304.25
  4. Step 4: Simplify right side
    870,249.22x = 586,436,126,874.36
  5. Step 5: Solve for x
    x = 586,436,126,874.36/870,249.22
  6. Step 6: Final answer
    x = 673,871.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.