Finding the Fourth Proportional to 726,494.48, 1,089,907.56 and 221,127.08
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Solution
The fourth proportional to 726,494.48, 1,089,907.56 and 221,127.08 is: 331,741.09
Step by Step Solution
- Step 1: Write the proportion equation
726,494.48 : 1,089,907.56 = 221,127.08 : x - Step 2: Convert to fraction form
726,494.48/1,089,907.56 = 221,127.08/x - Step 3: Cross multiply
726,494.48x = 1,089,907.56 × 221,127.08 - Step 4: Simplify right side
726,494.48x = 241,008,070,763.19 - Step 5: Solve for x
x = 241,008,070,763.19/726,494.48 - Step 6: Final answer
x = 331,741.09
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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.