Finding the Fourth Proportional to 809,254.20, 1,213,881.30 and 276,727.80
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Solution
The fourth proportional to 809,254.20, 1,213,881.30 and 276,727.80 is: 415,091.70
Step by Step Solution
- Step 1: Write the proportion equation
809,254.20 : 1,213,881.30 = 276,727.80 : x - Step 2: Convert to fraction form
809,254.20/1,213,881.30 = 276,727.80/x - Step 3: Cross multiply
809,254.20x = 1,213,881.30 × 276,727.80 - Step 4: Simplify right side
809,254.20x = 335,914,701,610.14 - Step 5: Solve for x
x = 335,914,701,610.14/809,254.20 - Step 6: Final answer
x = 415,091.70
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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.