Home / 728,640.83-1,093,203.05-223,206.76

Finding the Fourth Proportional to 728,640.83, 1,093,203.05 and 223,206.76

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Solution

The fourth proportional to 728,640.83, 1,093,203.05 and 223,206.76 is: 334,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,640.83 : 1,093,203.05 = 223,206.76 : x
  2. Step 2: Convert to fraction form
    728,640.83/1,093,203.05 = 223,206.76/x
  3. Step 3: Cross multiply
    728,640.83x = 1,093,203.05 × 223,206.76
  4. Step 4: Simplify right side
    728,640.83x = 244,010,307,533.68
  5. Step 5: Solve for x
    x = 244,010,307,533.68/728,640.83
  6. Step 6: Final answer
    x = 334,884.21

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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.