Finding the Fourth Proportional to 873,793.40, 1,310,690.10 and 341,331.80
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Solution
The fourth proportional to 873,793.40, 1,310,690.10 and 341,331.80 is: 511,997.70
Step by Step Solution
- Step 1: Write the proportion equation
873,793.40 : 1,310,690.10 = 341,331.80 : x - Step 2: Convert to fraction form
873,793.40/1,310,690.10 = 341,331.80/x - Step 3: Cross multiply
873,793.40x = 1,310,690.10 × 341,331.80 - Step 4: Simplify right side
873,793.40x = 447,380,211,075.18 - Step 5: Solve for x
x = 447,380,211,075.18/873,793.40 - Step 6: Final answer
x = 511,997.70
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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.