Finding the Fourth Proportional to 682,578.05, 1,023,069.74 and 513,555.26
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Solution
The fourth proportional to 682,578.05, 1,023,069.74 and 513,555.26 is: 769,732.99
Step by Step Solution
- Step 1: Write the proportion equation
682,578.05 : 1,023,069.74 = 513,555.26 : x - Step 2: Convert to fraction form
682,578.05/1,023,069.74 = 513,555.26/x - Step 3: Cross multiply
682,578.05x = 1,023,069.74 × 513,555.26 - Step 4: Simplify right side
682,578.05x = 525,402,838,640.71 - Step 5: Solve for x
x = 525,402,838,640.71/682,578.05 - Step 6: Final answer
x = 769,732.99
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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.