Finding the Fourth Proportional to 919,670.38, 1,379,489.64 and 413,873.44
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Solution
The fourth proportional to 919,670.38, 1,379,489.64 and 413,873.44 is: 620,802.99
Step by Step Solution
- Step 1: Write the proportion equation
919,670.38 : 1,379,489.64 = 413,873.44 : x - Step 2: Convert to fraction form
919,670.38/1,379,489.64 = 413,873.44/x - Step 3: Cross multiply
919,670.38x = 1,379,489.64 × 413,873.44 - Step 4: Simplify right side
919,670.38x = 570,934,122,751.16 - Step 5: Solve for x
x = 570,934,122,751.16/919,670.38 - Step 6: Final answer
x = 620,802.99
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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.