Home / 855,054.80-1,281,736.20-404,984.60

Finding the Fourth Proportional to 855,054.80, 1,281,736.20 and 404,984.60

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Solution

The fourth proportional to 855,054.80, 1,281,736.20 and 404,984.60 is: 607,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,054.80 : 1,281,736.20 = 404,984.60 : x
  2. Step 2: Convert to fraction form
    855,054.80/1,281,736.20 = 404,984.60/x
  3. Step 3: Cross multiply
    855,054.80x = 1,281,736.20 × 404,984.60
  4. Step 4: Simplify right side
    855,054.80x = 519,083,422,262.52
  5. Step 5: Solve for x
    x = 519,083,422,262.52/855,054.80
  6. Step 6: Final answer
    x = 607,076.20

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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.