Finding the Fourth Proportional to 864,960.93, 1,193,621.75 and 477,768.63
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Solution
The fourth proportional to 864,960.93, 1,193,621.75 and 477,768.63 is: 659,307.27
Step by Step Solution
- Step 1: Write the proportion equation
864,960.93 : 1,193,621.75 = 477,768.63 : x - Step 2: Convert to fraction form
864,960.93/1,193,621.75 = 477,768.63/x - Step 3: Cross multiply
864,960.93x = 1,193,621.75 × 477,768.63 - Step 4: Simplify right side
864,960.93x = 570,275,025,846.86 - Step 5: Solve for x
x = 570,275,025,846.86/864,960.93 - Step 6: Final answer
x = 659,307.27
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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.