Finding the Fourth Proportional to 833,289.75, 1,149,622.74 and 616,020.12
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Solution
The fourth proportional to 833,289.75, 1,149,622.74 and 616,020.12 is: 849,873.33
Step by Step Solution
- Step 1: Write the proportion equation
833,289.75 : 1,149,622.74 = 616,020.12 : x - Step 2: Convert to fraction form
833,289.75/1,149,622.74 = 616,020.12/x - Step 3: Cross multiply
833,289.75x = 1,149,622.74 × 616,020.12 - Step 4: Simplify right side
833,289.75x = 708,190,738,249.53 - Step 5: Solve for x
x = 708,190,738,249.53/833,289.75 - Step 6: Final answer
x = 849,873.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.