Finding the Fourth Proportional to 807,841.80, 1,211,762.70 and 683,425.80
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Solution
The fourth proportional to 807,841.80, 1,211,762.70 and 683,425.80 is: 1,025,138.70
Step by Step Solution
- Step 1: Write the proportion equation
807,841.80 : 1,211,762.70 = 683,425.80 : x - Step 2: Convert to fraction form
807,841.80/1,211,762.70 = 683,425.80/x - Step 3: Cross multiply
807,841.80x = 1,211,762.70 × 683,425.80 - Step 4: Simplify right side
807,841.80x = 828,149,892,657.66 - Step 5: Solve for x
x = 828,149,892,657.66/807,841.80 - Step 6: Final answer
x = 1,025,138.70
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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.