Finding the Fourth Proportional to 948,677.68, 1,420,736.23 and 542,638.92
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Solution
The fourth proportional to 948,677.68, 1,420,736.23 and 542,638.92 is: 812,654.07
Step by Step Solution
- Step 1: Write the proportion equation
948,677.68 : 1,420,736.23 = 542,638.92 : x - Step 2: Convert to fraction form
948,677.68/1,420,736.23 = 542,638.92/x - Step 3: Cross multiply
948,677.68x = 1,420,736.23 × 542,638.92 - Step 4: Simplify right side
948,677.68x = 770,946,773,452.07 - Step 5: Solve for x
x = 770,946,773,452.07/948,677.68 - Step 6: Final answer
x = 812,654.07
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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.