Finding the Fourth Proportional to 806,064.20, 1,211,720.70 and 571,034.60
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Solution
The fourth proportional to 806,064.20, 1,211,720.70 and 571,034.60 is: 858,411.09
Step by Step Solution
- Step 1: Write the proportion equation
806,064.20 : 1,211,720.70 = 571,034.60 : x - Step 2: Convert to fraction form
806,064.20/1,211,720.70 = 571,034.60/x - Step 3: Cross multiply
806,064.20x = 1,211,720.70 × 571,034.60 - Step 4: Simplify right side
806,064.20x = 691,934,445,236.22 - Step 5: Solve for x
x = 691,934,445,236.22/806,064.20 - Step 6: Final answer
x = 858,411.09
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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.