Finding the Fourth Proportional to 864,976.49, 1,193,662.81 and 477,818.55
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Solution
The fourth proportional to 864,976.49, 1,193,662.81 and 477,818.55 is: 659,386.98
Step by Step Solution
- Step 1: Write the proportion equation
864,976.49 : 1,193,662.81 = 477,818.55 : x - Step 2: Convert to fraction form
864,976.49/1,193,662.81 = 477,818.55/x - Step 3: Cross multiply
864,976.49x = 1,193,662.81 × 477,818.55 - Step 4: Simplify right side
864,976.49x = 570,354,233,660.40 - Step 5: Solve for x
x = 570,354,233,660.40/864,976.49 - Step 6: Final answer
x = 659,386.98
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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.