Finding the Fourth Proportional to 747,561.39, 1,121,837.33 and 410,837.19
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Solution
The fourth proportional to 747,561.39, 1,121,837.33 and 410,837.19 is: 616,527.95
Step by Step Solution
- Step 1: Write the proportion equation
747,561.39 : 1,121,837.33 = 410,837.19 : x - Step 2: Convert to fraction form
747,561.39/1,121,837.33 = 410,837.19/x - Step 3: Cross multiply
747,561.39x = 1,121,837.33 × 410,837.19 - Step 4: Simplify right side
747,561.39x = 460,892,491,712.21 - Step 5: Solve for x
x = 460,892,491,712.21/747,561.39 - Step 6: Final answer
x = 616,527.95
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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.