Finding the Fourth Proportional to 987,163.34, 1,480,835.37 and 277,186.59
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Solution
The fourth proportional to 987,163.34, 1,480,835.37 and 277,186.59 is: 415,805.26
Step by Step Solution
- Step 1: Write the proportion equation
987,163.34 : 1,480,835.37 = 277,186.59 : x - Step 2: Convert to fraction form
987,163.34/1,480,835.37 = 277,186.59/x - Step 3: Cross multiply
987,163.34x = 1,480,835.37 × 277,186.59 - Step 4: Simplify right side
987,163.34x = 410,467,706,041.96 - Step 5: Solve for x
x = 410,467,706,041.96/987,163.34 - Step 6: Final answer
x = 415,805.26
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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.