Finding the Fourth Proportional to 838,190.68, 1,156,728.22 and 516,086.62
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Solution
The fourth proportional to 838,190.68, 1,156,728.22 and 516,086.62 is: 712,214.98
Step by Step Solution
- Step 1: Write the proportion equation
838,190.68 : 1,156,728.22 = 516,086.62 : x - Step 2: Convert to fraction form
838,190.68/1,156,728.22 = 516,086.62/x - Step 3: Cross multiply
838,190.68x = 1,156,728.22 × 516,086.62 - Step 4: Simplify right side
838,190.68x = 596,971,957,318.42 - Step 5: Solve for x
x = 596,971,957,318.42/838,190.68 - Step 6: Final answer
x = 712,214.98
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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.