Finding the Fourth Proportional to 851,793.42, 1,277,413.64 and 283,021.79
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Solution
The fourth proportional to 851,793.42, 1,277,413.64 and 283,021.79 is: 424,440.81
Step by Step Solution
- Step 1: Write the proportion equation
851,793.42 : 1,277,413.64 = 283,021.79 : x - Step 2: Convert to fraction form
851,793.42/1,277,413.64 = 283,021.79/x - Step 3: Cross multiply
851,793.42x = 1,277,413.64 × 283,021.79 - Step 4: Simplify right side
851,793.42x = 361,535,887,161.04 - Step 5: Solve for x
x = 361,535,887,161.04/851,793.42 - Step 6: Final answer
x = 424,440.81
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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.