Finding the Fourth Proportional to 851,451.96, 1,274,627.76 and 821,170.68
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Solution
The fourth proportional to 851,451.96, 1,274,627.76 and 821,170.68 is: 1,229,296.54
Step by Step Solution
- Step 1: Write the proportion equation
851,451.96 : 1,274,627.76 = 821,170.68 : x - Step 2: Convert to fraction form
851,451.96/1,274,627.76 = 821,170.68/x - Step 3: Cross multiply
851,451.96x = 1,274,627.76 × 821,170.68 - Step 4: Simplify right side
851,451.96x = 1,046,686,944,426.08 - Step 5: Solve for x
x = 1,046,686,944,426.08/851,451.96 - Step 6: Final answer
x = 1,229,296.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.