Finding the Fourth Proportional to 997,629.75, 1,376,729.21 and 544,920.75
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Solution
The fourth proportional to 997,629.75, 1,376,729.21 and 544,920.75 is: 751,990.72
Step by Step Solution
- Step 1: Write the proportion equation
997,629.75 : 1,376,729.21 = 544,920.75 : x - Step 2: Convert to fraction form
997,629.75/1,376,729.21 = 544,920.75/x - Step 3: Cross multiply
997,629.75x = 1,376,729.21 × 544,920.75 - Step 4: Simplify right side
997,629.75x = 750,208,311,957.23 - Step 5: Solve for x
x = 750,208,311,957.23/997,629.75 - Step 6: Final answer
x = 751,990.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.