Finding the Fourth Proportional to 831,406.68, 1,147,351.76 and 504,625.14
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Solution
The fourth proportional to 831,406.68, 1,147,351.76 and 504,625.14 is: 696,389.09
Step by Step Solution
- Step 1: Write the proportion equation
831,406.68 : 1,147,351.76 = 504,625.14 : x - Step 2: Convert to fraction form
831,406.68/1,147,351.76 = 504,625.14/x - Step 3: Cross multiply
831,406.68x = 1,147,351.76 × 504,625.14 - Step 4: Simplify right side
831,406.68x = 578,982,539,996.12 - Step 5: Solve for x
x = 578,982,539,996.12/831,406.68 - Step 6: Final answer
x = 696,389.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.