Finding the Fourth Proportional to 683,220.75, 942,844.70 and 381,414.75
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Solution
The fourth proportional to 683,220.75, 942,844.70 and 381,414.75 is: 526,352.39
Step by Step Solution
- Step 1: Write the proportion equation
683,220.75 : 942,844.70 = 381,414.75 : x - Step 2: Convert to fraction form
683,220.75/942,844.70 = 381,414.75/x - Step 3: Cross multiply
683,220.75x = 942,844.70 × 381,414.75 - Step 4: Simplify right side
683,220.75x = 359,614,876,492.86 - Step 5: Solve for x
x = 359,614,876,492.86/683,220.75 - Step 6: Final answer
x = 526,352.39
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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.