Finding the Fourth Proportional to 831,597.81, 1,247,550.57 and 263,122.02
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Solution
The fourth proportional to 831,597.81, 1,247,550.57 and 263,122.02 is: 394,731.71
Step by Step Solution
- Step 1: Write the proportion equation
831,597.81 : 1,247,550.57 = 263,122.02 : x - Step 2: Convert to fraction form
831,597.81/1,247,550.57 = 263,122.02/x - Step 3: Cross multiply
831,597.81x = 1,247,550.57 × 263,122.02 - Step 4: Simplify right side
831,597.81x = 328,258,026,030.55 - Step 5: Solve for x
x = 328,258,026,030.55/831,597.81 - Step 6: Final answer
x = 394,731.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.