Finding the Fourth Proportional to 1,159,813.80, 1,738,338.30 and 485,893.80
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Solution
The fourth proportional to 1,159,813.80, 1,738,338.30 and 485,893.80 is: 728,261.56
Step by Step Solution
- Step 1: Write the proportion equation
1,159,813.80 : 1,738,338.30 = 485,893.80 : x - Step 2: Convert to fraction form
1,159,813.80/1,738,338.30 = 485,893.80/x - Step 3: Cross multiply
1,159,813.80x = 1,738,338.30 × 485,893.80 - Step 4: Simplify right side
1,159,813.80x = 844,647,802,272.54 - Step 5: Solve for x
x = 844,647,802,272.54/1,159,813.80 - Step 6: Final answer
x = 728,261.56
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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.