Finding the Fourth Proportional to 751,157.12, 1,125,948.32 and 277,540.40
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Solution
The fourth proportional to 751,157.12, 1,125,948.32 and 277,540.40 is: 416,019.68
Step by Step Solution
- Step 1: Write the proportion equation
751,157.12 : 1,125,948.32 = 277,540.40 : x - Step 2: Convert to fraction form
751,157.12/1,125,948.32 = 277,540.40/x - Step 3: Cross multiply
751,157.12x = 1,125,948.32 × 277,540.40 - Step 4: Simplify right side
751,157.12x = 312,496,147,112.13 - Step 5: Solve for x
x = 312,496,147,112.13/751,157.12 - Step 6: Final answer
x = 416,019.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.