Home / 829,647.89-1,244,653.27-268,739.09

Finding the Fourth Proportional to 829,647.89, 1,244,653.27 and 268,739.09

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Solution

The fourth proportional to 829,647.89, 1,244,653.27 and 268,739.09 is: 403,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,647.89 : 1,244,653.27 = 268,739.09 : x
  2. Step 2: Convert to fraction form
    829,647.89/1,244,653.27 = 268,739.09/x
  3. Step 3: Cross multiply
    829,647.89x = 1,244,653.27 × 268,739.09
  4. Step 4: Simplify right side
    829,647.89x = 334,486,980,250.21
  5. Step 5: Solve for x
    x = 334,486,980,250.21/829,647.89
  6. Step 6: Final answer
    x = 403,167.40

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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.