Home / 788,723.52-1,183,284.87-220,104.54

Finding the Fourth Proportional to 788,723.52, 1,183,284.87 and 220,104.54

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Solution

The fourth proportional to 788,723.52, 1,183,284.87 and 220,104.54 is: 330,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,723.52 : 1,183,284.87 = 220,104.54 : x
  2. Step 2: Convert to fraction form
    788,723.52/1,183,284.87 = 220,104.54/x
  3. Step 3: Cross multiply
    788,723.52x = 1,183,284.87 × 220,104.54
  4. Step 4: Simplify right side
    788,723.52x = 260,446,372,000.31
  5. Step 5: Solve for x
    x = 260,446,372,000.31/788,723.52
  6. Step 6: Final answer
    x = 330,212.51

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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.