Finding the Fourth Proportional to 724,949.96, 1,000,611.81 and 419,202.68
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Solution
The fourth proportional to 724,949.96, 1,000,611.81 and 419,202.68 is: 578,604.28
Step by Step Solution
- Step 1: Write the proportion equation
724,949.96 : 1,000,611.81 = 419,202.68 : x - Step 2: Convert to fraction form
724,949.96/1,000,611.81 = 419,202.68/x - Step 3: Cross multiply
724,949.96x = 1,000,611.81 × 419,202.68 - Step 4: Simplify right side
724,949.96x = 419,459,147,388.59 - Step 5: Solve for x
x = 419,459,147,388.59/724,949.96 - Step 6: Final answer
x = 578,604.28
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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.