Finding the Fourth Proportional to 809,841.20, 1,213,012.20 and 704,865.20
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Solution
The fourth proportional to 809,841.20, 1,213,012.20 and 704,865.20 is: 1,055,774.99
Step by Step Solution
- Step 1: Write the proportion equation
809,841.20 : 1,213,012.20 = 704,865.20 : x - Step 2: Convert to fraction form
809,841.20/1,213,012.20 = 704,865.20/x - Step 3: Cross multiply
809,841.20x = 1,213,012.20 × 704,865.20 - Step 4: Simplify right side
809,841.20x = 855,010,086,955.44 - Step 5: Solve for x
x = 855,010,086,955.44/809,841.20 - Step 6: Final answer
x = 1,055,774.99
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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.