Finding the Fourth Proportional to 987,162.74, 1,480,834.48 and 277,186.00
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Solution
The fourth proportional to 987,162.74, 1,480,834.48 and 277,186.00 is: 415,804.37
Step by Step Solution
- Step 1: Write the proportion equation
987,162.74 : 1,480,834.48 = 277,186.00 : x - Step 2: Convert to fraction form
987,162.74/1,480,834.48 = 277,186.00/x - Step 3: Cross multiply
987,162.74x = 1,480,834.48 × 277,186.00 - Step 4: Simplify right side
987,162.74x = 410,466,581,778.23 - Step 5: Solve for x
x = 410,466,581,778.23/987,162.74 - Step 6: Final answer
x = 415,804.37
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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.