Finding the Fourth Proportional to 931,043.67, 1,397,258.59 and 691,714.80
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Solution
The fourth proportional to 931,043.67, 1,397,258.59 and 691,714.80 is: 1,038,087.12
Step by Step Solution
- Step 1: Write the proportion equation
931,043.67 : 1,397,258.59 = 691,714.80 : x - Step 2: Convert to fraction form
931,043.67/1,397,258.59 = 691,714.80/x - Step 3: Cross multiply
931,043.67x = 1,397,258.59 × 691,714.80 - Step 4: Simplify right side
931,043.67x = 966,504,440,873.13 - Step 5: Solve for x
x = 966,504,440,873.13/931,043.67 - Step 6: Final answer
x = 1,038,087.12
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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.