Finding the Fourth Proportional to 831,621.21, 1,147,375.31 and 508,994.97
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Solution
The fourth proportional to 831,621.21, 1,147,375.31 and 508,994.97 is: 702,252.72
Step by Step Solution
- Step 1: Write the proportion equation
831,621.21 : 1,147,375.31 = 508,994.97 : x - Step 2: Convert to fraction form
831,621.21/1,147,375.31 = 508,994.97/x - Step 3: Cross multiply
831,621.21x = 1,147,375.31 × 508,994.97 - Step 4: Simplify right side
831,621.21x = 584,008,258,947.22 - Step 5: Solve for x
x = 584,008,258,947.22/831,621.21 - Step 6: Final answer
x = 702,252.72
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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.