Finding the Fourth Proportional to 931,673.68, 1,396,514.05 and 425,476.13
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Solution
The fourth proportional to 931,673.68, 1,396,514.05 and 425,476.13 is: 637,759.12
Step by Step Solution
- Step 1: Write the proportion equation
931,673.68 : 1,396,514.05 = 425,476.13 : x - Step 2: Convert to fraction form
931,673.68/1,396,514.05 = 425,476.13/x - Step 3: Cross multiply
931,673.68x = 1,396,514.05 × 425,476.13 - Step 4: Simplify right side
931,673.68x = 594,183,384,540.87 - Step 5: Solve for x
x = 594,183,384,540.87/931,673.68 - Step 6: Final answer
x = 637,759.12
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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.