Finding the Fourth Proportional to 676,188, 933,168.60 and 374,382
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Solution
The fourth proportional to 676,188, 933,168.60 and 374,382 is: 516,663.30
Step by Step Solution
- Step 1: Write the proportion equation
676,188 : 933,168.60 = 374,382 : x - Step 2: Convert to fraction form
676,188/933,168.60 = 374,382/x - Step 3: Cross multiply
676,188x = 933,168.60 × 374,382 - Step 4: Simplify right side
676,188x = 349,361,526,805.20 - Step 5: Solve for x
x = 349,361,526,805.20/676,188 - Step 6: Final answer
x = 516,663.30
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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.