Finding the Fourth Proportional to 802,404.18, 1,203,680.79 and 290,197.62
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Solution
The fourth proportional to 802,404.18, 1,203,680.79 and 290,197.62 is: 435,323.38
Step by Step Solution
- Step 1: Write the proportion equation
802,404.18 : 1,203,680.79 = 290,197.62 : x - Step 2: Convert to fraction form
802,404.18/1,203,680.79 = 290,197.62/x - Step 3: Cross multiply
802,404.18x = 1,203,680.79 × 290,197.62 - Step 4: Simplify right side
802,404.18x = 349,305,300,497.72 - Step 5: Solve for x
x = 349,305,300,497.72/802,404.18 - Step 6: Final answer
x = 435,323.38
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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.