Home / 722,842.56-1,084,281.30-243,076.64

Finding the Fourth Proportional to 722,842.56, 1,084,281.30 and 243,076.64

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Solution

The fourth proportional to 722,842.56, 1,084,281.30 and 243,076.64 is: 364,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,842.56 : 1,084,281.30 = 243,076.64 : x
  2. Step 2: Convert to fraction form
    722,842.56/1,084,281.30 = 243,076.64/x
  3. Step 3: Cross multiply
    722,842.56x = 1,084,281.30 × 243,076.64
  4. Step 4: Simplify right side
    722,842.56x = 263,563,449,797.43
  5. Step 5: Solve for x
    x = 263,563,449,797.43/722,842.56
  6. Step 6: Final answer
    x = 364,620.82

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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.