Finding the Fourth Proportional to 814,586.68, 1,222,773.90 and 647,183.08
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Solution
The fourth proportional to 814,586.68, 1,222,773.90 and 647,183.08 is: 971,484.80
Step by Step Solution
- Step 1: Write the proportion equation
814,586.68 : 1,222,773.90 = 647,183.08 : x - Step 2: Convert to fraction form
814,586.68/1,222,773.90 = 647,183.08/x - Step 3: Cross multiply
814,586.68x = 1,222,773.90 × 647,183.08 - Step 4: Simplify right side
814,586.68x = 791,358,578,745.61 - Step 5: Solve for x
x = 791,358,578,745.61/814,586.68 - Step 6: Final answer
x = 971,484.80
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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.