Finding the Fourth Proportional to 809,837.20, 1,213,006.20 and 704,861.20
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Solution
The fourth proportional to 809,837.20, 1,213,006.20 and 704,861.20 is: 1,055,768.99
Step by Step Solution
- Step 1: Write the proportion equation
809,837.20 : 1,213,006.20 = 704,861.20 : x - Step 2: Convert to fraction form
809,837.20/1,213,006.20 = 704,861.20/x - Step 3: Cross multiply
809,837.20x = 1,213,006.20 × 704,861.20 - Step 4: Simplify right side
809,837.20x = 855,001,005,739.44 - Step 5: Solve for x
x = 855,001,005,739.44/809,837.20 - Step 6: Final answer
x = 1,055,768.99
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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.