Home / 869,984.37-1,304,662.68-301,211.28

Finding the Fourth Proportional to 869,984.37, 1,304,662.68 and 301,211.28

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Solution

The fourth proportional to 869,984.37, 1,304,662.68 and 301,211.28 is: 451,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,984.37 : 1,304,662.68 = 301,211.28 : x
  2. Step 2: Convert to fraction form
    869,984.37/1,304,662.68 = 301,211.28/x
  3. Step 3: Cross multiply
    869,984.37x = 1,304,662.68 × 301,211.28
  4. Step 4: Simplify right side
    869,984.37x = 392,979,115,811.03
  5. Step 5: Solve for x
    x = 392,979,115,811.03/869,984.37
  6. Step 6: Final answer
    x = 451,708.25

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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.