Home / 743,453.44-1,025,968.48-403,921.69

Finding the Fourth Proportional to 743,453.44, 1,025,968.48 and 403,921.69

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Solution

The fourth proportional to 743,453.44, 1,025,968.48 and 403,921.69 is: 557,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,453.44 : 1,025,968.48 = 403,921.69 : x
  2. Step 2: Convert to fraction form
    743,453.44/1,025,968.48 = 403,921.69/x
  3. Step 3: Cross multiply
    743,453.44x = 1,025,968.48 × 403,921.69
  4. Step 4: Simplify right side
    743,453.44x = 414,410,918,753.61
  5. Step 5: Solve for x
    x = 414,410,918,753.61/743,453.44
  6. Step 6: Final answer
    x = 557,413.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.