Finding the Fourth Proportional to 744,364.88, 1,116,379.62 and 211,874.12
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Solution
The fourth proportional to 744,364.88, 1,116,379.62 and 211,874.12 is: 317,763.45
Step by Step Solution
- Step 1: Write the proportion equation
744,364.88 : 1,116,379.62 = 211,874.12 : x - Step 2: Convert to fraction form
744,364.88/1,116,379.62 = 211,874.12/x - Step 3: Cross multiply
744,364.88x = 1,116,379.62 × 211,874.12 - Step 4: Simplify right side
744,364.88x = 236,531,949,573.43 - Step 5: Solve for x
x = 236,531,949,573.43/744,364.88 - Step 6: Final answer
x = 317,763.45
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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.