Finding the Fourth Proportional to 722,197.36, 1,083,172.92 and 216,621.28
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Solution
The fourth proportional to 722,197.36, 1,083,172.92 and 216,621.28 is: 324,894.99
Step by Step Solution
- Step 1: Write the proportion equation
722,197.36 : 1,083,172.92 = 216,621.28 : x - Step 2: Convert to fraction form
722,197.36/1,083,172.92 = 216,621.28/x - Step 3: Cross multiply
722,197.36x = 1,083,172.92 × 216,621.28 - Step 4: Simplify right side
722,197.36x = 234,638,304,391.74 - Step 5: Solve for x
x = 234,638,304,391.74/722,197.36 - Step 6: Final answer
x = 324,894.99
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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.