Finding the Fourth Proportional to 831,036.53, 1,246,190.29 and 381,608.03
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Solution
The fourth proportional to 831,036.53, 1,246,190.29 and 381,608.03 is: 572,244.66
Step by Step Solution
- Step 1: Write the proportion equation
831,036.53 : 1,246,190.29 = 381,608.03 : x - Step 2: Convert to fraction form
831,036.53/1,246,190.29 = 381,608.03/x - Step 3: Cross multiply
831,036.53x = 1,246,190.29 × 381,608.03 - Step 4: Simplify right side
831,036.53x = 475,556,214,387.06 - Step 5: Solve for x
x = 475,556,214,387.06/831,036.53 - Step 6: Final answer
x = 572,244.66
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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.