Home / 667,783.48-1,001,768.77-218,539.66

Finding the Fourth Proportional to 667,783.48, 1,001,768.77 and 218,539.66

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Solution

The fourth proportional to 667,783.48, 1,001,768.77 and 218,539.66 is: 327,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,783.48 : 1,001,768.77 = 218,539.66 : x
  2. Step 2: Convert to fraction form
    667,783.48/1,001,768.77 = 218,539.66/x
  3. Step 3: Cross multiply
    667,783.48x = 1,001,768.77 × 218,539.66
  4. Step 4: Simplify right side
    667,783.48x = 218,926,200,292.88
  5. Step 5: Solve for x
    x = 218,926,200,292.88/667,783.48
  6. Step 6: Final answer
    x = 327,840.10

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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.