Finding the Fourth Proportional to 966,138.60, 1,449,207.90 and 609,997.80
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Solution
The fourth proportional to 966,138.60, 1,449,207.90 and 609,997.80 is: 914,996.70
Step by Step Solution
- Step 1: Write the proportion equation
966,138.60 : 1,449,207.90 = 609,997.80 : x - Step 2: Convert to fraction form
966,138.60/1,449,207.90 = 609,997.80/x - Step 3: Cross multiply
966,138.60x = 1,449,207.90 × 609,997.80 - Step 4: Simplify right side
966,138.60x = 884,013,630,742.62 - Step 5: Solve for x
x = 884,013,630,742.62/966,138.60 - Step 6: Final answer
x = 914,996.70
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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.