Home / 682,413.48-1,023,751.44-261,656.55

Finding the Fourth Proportional to 682,413.48, 1,023,751.44 and 261,656.55

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Solution

The fourth proportional to 682,413.48, 1,023,751.44 and 261,656.55 is: 392,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,413.48 : 1,023,751.44 = 261,656.55 : x
  2. Step 2: Convert to fraction form
    682,413.48/1,023,751.44 = 261,656.55/x
  3. Step 3: Cross multiply
    682,413.48x = 1,023,751.44 × 261,656.55
  4. Step 4: Simplify right side
    682,413.48x = 267,871,269,847.93
  5. Step 5: Solve for x
    x = 267,871,269,847.93/682,413.48
  6. Step 6: Final answer
    x = 392,535.14

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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.