Finding the Fourth Proportional to 823,696.77, 1,235,071.97 and 438,971.88
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Solution
The fourth proportional to 823,696.77, 1,235,071.97 and 438,971.88 is: 658,205.65
Step by Step Solution
- Step 1: Write the proportion equation
823,696.77 : 1,235,071.97 = 438,971.88 : x - Step 2: Convert to fraction form
823,696.77/1,235,071.97 = 438,971.88/x - Step 3: Cross multiply
823,696.77x = 1,235,071.97 × 438,971.88 - Step 4: Simplify right side
823,696.77x = 542,161,868,689.01 - Step 5: Solve for x
x = 542,161,868,689.01/823,696.77 - Step 6: Final answer
x = 658,205.65
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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.