Finding the Fourth Proportional to 674,766.35, 931,177.60 and 368,843.94
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Solution
The fourth proportional to 674,766.35, 931,177.60 and 368,843.94 is: 509,004.66
Step by Step Solution
- Step 1: Write the proportion equation
674,766.35 : 931,177.60 = 368,843.94 : x - Step 2: Convert to fraction form
674,766.35/931,177.60 = 368,843.94/x - Step 3: Cross multiply
674,766.35x = 931,177.60 × 368,843.94 - Step 4: Simplify right side
674,766.35x = 343,459,213,901.63 - Step 5: Solve for x
x = 343,459,213,901.63/674,766.35 - Step 6: Final answer
x = 509,004.66
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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.