Home / 788,731.83-1,183,296.78-220,112.46

Finding the Fourth Proportional to 788,731.83, 1,183,296.78 and 220,112.46

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Solution

The fourth proportional to 788,731.83, 1,183,296.78 and 220,112.46 is: 330,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,731.83 : 1,183,296.78 = 220,112.46 : x
  2. Step 2: Convert to fraction form
    788,731.83/1,183,296.78 = 220,112.46/x
  3. Step 3: Cross multiply
    788,731.83x = 1,183,296.78 × 220,112.46
  4. Step 4: Simplify right side
    788,731.83x = 260,458,365,155.88
  5. Step 5: Solve for x
    x = 260,458,365,155.88/788,731.83
  6. Step 6: Final answer
    x = 330,224.23

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1.5x scale

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.