Finding the Fourth Proportional to 751,122.12, 1,036,514.70 and 411,583.08
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Solution
The fourth proportional to 751,122.12, 1,036,514.70 and 411,583.08 is: 567,966.12
Step by Step Solution
- Step 1: Write the proportion equation
751,122.12 : 1,036,514.70 = 411,583.08 : x - Step 2: Convert to fraction form
751,122.12/1,036,514.70 = 411,583.08/x - Step 3: Cross multiply
751,122.12x = 1,036,514.70 × 411,583.08 - Step 4: Simplify right side
751,122.12x = 426,611,912,691.28 - Step 5: Solve for x
x = 426,611,912,691.28/751,122.12 - Step 6: Final answer
x = 567,966.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.