Finding the Fourth Proportional to 809,575.21, 1,213,395.13 and 376,707.97
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Solution
The fourth proportional to 809,575.21, 1,213,395.13 and 376,707.97 is: 564,611.68
Step by Step Solution
- Step 1: Write the proportion equation
809,575.21 : 1,213,395.13 = 376,707.97 : x - Step 2: Convert to fraction form
809,575.21/1,213,395.13 = 376,707.97/x - Step 3: Cross multiply
809,575.21x = 1,213,395.13 × 376,707.97 - Step 4: Simplify right side
809,575.21x = 457,095,616,230.19 - Step 5: Solve for x
x = 457,095,616,230.19/809,575.21 - Step 6: Final answer
x = 564,611.68
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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.