Finding the Fourth Proportional to 834,310.74, 1,251,463.68 and 721,655.94
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Solution
The fourth proportional to 834,310.74, 1,251,463.68 and 721,655.94 is: 1,082,481.81
Step by Step Solution
- Step 1: Write the proportion equation
834,310.74 : 1,251,463.68 = 721,655.94 : x - Step 2: Convert to fraction form
834,310.74/1,251,463.68 = 721,655.94/x - Step 3: Cross multiply
834,310.74x = 1,251,463.68 × 721,655.94 - Step 4: Simplify right side
834,310.74x = 903,126,198,366.26 - Step 5: Solve for x
x = 903,126,198,366.26/834,310.74 - Step 6: Final answer
x = 1,082,481.81
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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.