Finding the Fourth Proportional to 677,014.12, 1,009,468.48 and 658,413.68
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Solution
The fourth proportional to 677,014.12, 1,009,468.48 and 658,413.68 is: 981,734.11
Step by Step Solution
- Step 1: Write the proportion equation
677,014.12 : 1,009,468.48 = 658,413.68 : x - Step 2: Convert to fraction form
677,014.12/1,009,468.48 = 658,413.68/x - Step 3: Cross multiply
677,014.12x = 1,009,468.48 × 658,413.68 - Step 4: Simplify right side
677,014.12x = 664,647,856,760.81 - Step 5: Solve for x
x = 664,647,856,760.81/677,014.12 - Step 6: Final answer
x = 981,734.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.