Finding the Fourth Proportional to 695,413.99, 1,043,270.84 and 215,632.14
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Solution
The fourth proportional to 695,413.99, 1,043,270.84 and 215,632.14 is: 323,494.68
Step by Step Solution
- Step 1: Write the proportion equation
695,413.99 : 1,043,270.84 = 215,632.14 : x - Step 2: Convert to fraction form
695,413.99/1,043,270.84 = 215,632.14/x - Step 3: Cross multiply
695,413.99x = 1,043,270.84 × 215,632.14 - Step 4: Simplify right side
695,413.99x = 224,962,726,659.86 - Step 5: Solve for x
x = 224,962,726,659.86/695,413.99 - Step 6: Final answer
x = 323,494.68
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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.