Home / 740,980.06-1,109,694-380,201.44

Finding the Fourth Proportional to 740,980.06, 1,109,694 and 380,201.44

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Solution

The fourth proportional to 740,980.06, 1,109,694 and 380,201.44 is: 569,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,980.06 : 1,109,694 = 380,201.44 : x
  2. Step 2: Convert to fraction form
    740,980.06/1,109,694 = 380,201.44/x
  3. Step 3: Cross multiply
    740,980.06x = 1,109,694 × 380,201.44
  4. Step 4: Simplify right side
    740,980.06x = 421,907,256,759.36
  5. Step 5: Solve for x
    x = 421,907,256,759.36/740,980.06
  6. Step 6: Final answer
    x = 569,390.84

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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.