Finding the Fourth Proportional to 831,883.76, 1,146,959.35 and 694,260.63
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Solution
The fourth proportional to 831,883.76, 1,146,959.35 and 694,260.63 is: 957,211.53
Step by Step Solution
- Step 1: Write the proportion equation
831,883.76 : 1,146,959.35 = 694,260.63 : x - Step 2: Convert to fraction form
831,883.76/1,146,959.35 = 694,260.63/x - Step 3: Cross multiply
831,883.76x = 1,146,959.35 × 694,260.63 - Step 4: Simplify right side
831,883.76x = 796,288,719,179.74 - Step 5: Solve for x
x = 796,288,719,179.74/831,883.76 - Step 6: Final answer
x = 957,211.53
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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.