Finding the Fourth Proportional to 838,214.18, 1,156,958.04 and 516,194.26
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Solution
The fourth proportional to 838,214.18, 1,156,958.04 and 516,194.26 is: 712,485.08
Step by Step Solution
- Step 1: Write the proportion equation
838,214.18 : 1,156,958.04 = 516,194.26 : x - Step 2: Convert to fraction form
838,214.18/1,156,958.04 = 516,194.26/x - Step 3: Cross multiply
838,214.18x = 1,156,958.04 × 516,194.26 - Step 4: Simplify right side
838,214.18x = 597,215,099,308.85 - Step 5: Solve for x
x = 597,215,099,308.85/838,214.18 - Step 6: Final answer
x = 712,485.08
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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.