Finding the Fourth Proportional to 691,962.96, 954,906.12 and 374,010.96
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Solution
The fourth proportional to 691,962.96, 954,906.12 and 374,010.96 is: 516,133.63
Step by Step Solution
- Step 1: Write the proportion equation
691,962.96 : 954,906.12 = 374,010.96 : x - Step 2: Convert to fraction form
691,962.96/954,906.12 = 374,010.96/x - Step 3: Cross multiply
691,962.96x = 954,906.12 × 374,010.96 - Step 4: Simplify right side
691,962.96x = 357,145,354,651.08 - Step 5: Solve for x
x = 357,145,354,651.08/691,962.96 - Step 6: Final answer
x = 516,133.63
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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.