Finding the Fourth Proportional to 673,286.63, 929,135.57 and 371,480.63
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Solution
The fourth proportional to 673,286.63, 929,135.57 and 371,480.63 is: 512,643.27
Step by Step Solution
- Step 1: Write the proportion equation
673,286.63 : 929,135.57 = 371,480.63 : x - Step 2: Convert to fraction form
673,286.63/929,135.57 = 371,480.63/x - Step 3: Cross multiply
673,286.63x = 929,135.57 × 371,480.63 - Step 4: Simplify right side
673,286.63x = 345,155,860,395.93 - Step 5: Solve for x
x = 345,155,860,395.93/673,286.63 - Step 6: Final answer
x = 512,643.27
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1.5x scale
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.