Finding the Fourth Proportional to 1,327,365.91, 1,990,495.26 and 416,313.65
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Solution
The fourth proportional to 1,327,365.91, 1,990,495.26 and 416,313.65 is: 624,296.85
Step by Step Solution
- Step 1: Write the proportion equation
1,327,365.91 : 1,990,495.26 = 416,313.65 : x - Step 2: Convert to fraction form
1,327,365.91/1,990,495.26 = 416,313.65/x - Step 3: Cross multiply
1,327,365.91x = 1,990,495.26 × 416,313.65 - Step 4: Simplify right side
1,327,365.91x = 828,670,351,974.54 - Step 5: Solve for x
x = 828,670,351,974.54/1,327,365.91 - Step 6: Final answer
x = 624,296.85
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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.