Finding the Fourth Proportional to 882,751.56, 1,323,090.06 and 408,435.08
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Solution
The fourth proportional to 882,751.56, 1,323,090.06 and 408,435.08 is: 612,172.69
Step by Step Solution
- Step 1: Write the proportion equation
882,751.56 : 1,323,090.06 = 408,435.08 : x - Step 2: Convert to fraction form
882,751.56/1,323,090.06 = 408,435.08/x - Step 3: Cross multiply
882,751.56x = 1,323,090.06 × 408,435.08 - Step 4: Simplify right side
882,751.56x = 540,396,394,503.31 - Step 5: Solve for x
x = 540,396,394,503.31/882,751.56 - Step 6: Final answer
x = 612,172.69
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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.