Finding the Fourth Proportional to 741,844.58, 1,112,611.15 and 209,241.05
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Solution
The fourth proportional to 741,844.58, 1,112,611.15 and 209,241.05 is: 313,817.65
Step by Step Solution
- Step 1: Write the proportion equation
741,844.58 : 1,112,611.15 = 209,241.05 : x - Step 2: Convert to fraction form
741,844.58/1,112,611.15 = 209,241.05/x - Step 3: Cross multiply
741,844.58x = 1,112,611.15 × 209,241.05 - Step 4: Simplify right side
741,844.58x = 232,803,922,506.93 - Step 5: Solve for x
x = 232,803,922,506.93/741,844.58 - Step 6: Final answer
x = 313,817.65
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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.