Finding the Fourth Proportional to 612,387.07, 916,615.26 and 327,365.08
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Solution
The fourth proportional to 612,387.07, 916,615.26 and 327,365.08 is: 489,997.00
Step by Step Solution
- Step 1: Write the proportion equation
612,387.07 : 916,615.26 = 327,365.08 : x - Step 2: Convert to fraction form
612,387.07/916,615.26 = 327,365.08/x - Step 3: Cross multiply
612,387.07x = 916,615.26 × 327,365.08 - Step 4: Simplify right side
612,387.07x = 300,067,827,919.12 - Step 5: Solve for x
x = 300,067,827,919.12/612,387.07 - Step 6: Final answer
x = 489,997.00
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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.