Finding the Fourth Proportional to 720,351.88, 1,080,573.90 and 277,119.88
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Solution
The fourth proportional to 720,351.88, 1,080,573.90 and 277,119.88 is: 415,697.55
Step by Step Solution
- Step 1: Write the proportion equation
720,351.88 : 1,080,573.90 = 277,119.88 : x - Step 2: Convert to fraction form
720,351.88/1,080,573.90 = 277,119.88/x - Step 3: Cross multiply
720,351.88x = 1,080,573.90 × 277,119.88 - Step 4: Simplify right side
720,351.88x = 299,448,509,499.13 - Step 5: Solve for x
x = 299,448,509,499.13/720,351.88 - Step 6: Final answer
x = 415,697.55
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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.