Finding the Fourth Proportional to 987,163.74, 1,480,835.98 and 277,187
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Solution
The fourth proportional to 987,163.74, 1,480,835.98 and 277,187 is: 415,805.88
Step by Step Solution
- Step 1: Write the proportion equation
987,163.74 : 1,480,835.98 = 277,187 : x - Step 2: Convert to fraction form
987,163.74/1,480,835.98 = 277,187/x - Step 3: Cross multiply
987,163.74x = 1,480,835.98 × 277,187 - Step 4: Simplify right side
987,163.74x = 410,468,482,788.26 - Step 5: Solve for x
x = 410,468,482,788.26/987,163.74 - Step 6: Final answer
x = 415,805.88
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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.