Home / 872,413.44-1,308,620.61-273,421.26

Finding the Fourth Proportional to 872,413.44, 1,308,620.61 and 273,421.26

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Solution

The fourth proportional to 872,413.44, 1,308,620.61 and 273,421.26 is: 410,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,413.44 : 1,308,620.61 = 273,421.26 : x
  2. Step 2: Convert to fraction form
    872,413.44/1,308,620.61 = 273,421.26/x
  3. Step 3: Cross multiply
    872,413.44x = 1,308,620.61 × 273,421.26
  4. Step 4: Simplify right side
    872,413.44x = 357,804,696,048.17
  5. Step 5: Solve for x
    x = 357,804,696,048.17/872,413.44
  6. Step 6: Final answer
    x = 410,132.03

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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.