Finding the Fourth Proportional to 886,451.68, 1,328,757.90 and 412,747.48
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Solution
The fourth proportional to 886,451.68, 1,328,757.90 and 412,747.48 is: 618,693.03
Step by Step Solution
- Step 1: Write the proportion equation
886,451.68 : 1,328,757.90 = 412,747.48 : x - Step 2: Convert to fraction form
886,451.68/1,328,757.90 = 412,747.48/x - Step 3: Cross multiply
886,451.68x = 1,328,757.90 × 412,747.48 - Step 4: Simplify right side
886,451.68x = 548,441,474,755.09 - Step 5: Solve for x
x = 548,441,474,755.09/886,451.68 - Step 6: Final answer
x = 618,693.03
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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.