Finding the Fourth Proportional to 612,391.46, 845,103.50 and 336,767.09
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Solution
The fourth proportional to 612,391.46, 845,103.50 and 336,767.09 is: 464,740.38
Step by Step Solution
- Step 1: Write the proportion equation
612,391.46 : 845,103.50 = 336,767.09 : x - Step 2: Convert to fraction form
612,391.46/845,103.50 = 336,767.09/x - Step 3: Cross multiply
612,391.46x = 845,103.50 × 336,767.09 - Step 4: Simplify right side
612,391.46x = 284,603,043,060.22 - Step 5: Solve for x
x = 284,603,043,060.22/612,391.46 - Step 6: Final answer
x = 464,740.38
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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.