Finding the Fourth Proportional to 876,531.44, 1,314,994.20 and 277,528.40
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Solution
The fourth proportional to 876,531.44, 1,314,994.20 and 277,528.40 is: 416,354.99
Step by Step Solution
- Step 1: Write the proportion equation
876,531.44 : 1,314,994.20 = 277,528.40 : x - Step 2: Convert to fraction form
876,531.44/1,314,994.20 = 277,528.40/x - Step 3: Cross multiply
876,531.44x = 1,314,994.20 × 277,528.40 - Step 4: Simplify right side
876,531.44x = 364,948,236,335.28 - Step 5: Solve for x
x = 364,948,236,335.28/876,531.44 - Step 6: Final answer
x = 416,354.99
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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.