Finding the Fourth Proportional to 915,906.70, 1,373,220.05 and 541,737.10
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Solution
The fourth proportional to 915,906.70, 1,373,220.05 and 541,737.10 is: 812,227.11
Step by Step Solution
- Step 1: Write the proportion equation
915,906.70 : 1,373,220.05 = 541,737.10 : x - Step 2: Convert to fraction form
915,906.70/1,373,220.05 = 541,737.10/x - Step 3: Cross multiply
915,906.70x = 1,373,220.05 × 541,737.10 - Step 4: Simplify right side
915,906.70x = 743,924,247,548.86 - Step 5: Solve for x
x = 743,924,247,548.86/915,906.70 - Step 6: Final answer
x = 812,227.11
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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.