Finding the Fourth Proportional to 850,800.60, 1,278,101.70 and 710,832.60
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Solution
The fourth proportional to 850,800.60, 1,278,101.70 and 710,832.60 is: 1,067,836.99
Step by Step Solution
- Step 1: Write the proportion equation
850,800.60 : 1,278,101.70 = 710,832.60 : x - Step 2: Convert to fraction form
850,800.60/1,278,101.70 = 710,832.60/x - Step 3: Cross multiply
850,800.60x = 1,278,101.70 × 710,832.60 - Step 4: Simplify right side
850,800.60x = 908,516,354,475.42 - Step 5: Solve for x
x = 908,516,354,475.42/850,800.60 - Step 6: Final answer
x = 1,067,836.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.