Finding the Fourth Proportional to 672,327.40, 1,007,108.70 and 462,202.60
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Solution
The fourth proportional to 672,327.40, 1,007,108.70 and 462,202.60 is: 692,353.55
Step by Step Solution
- Step 1: Write the proportion equation
672,327.40 : 1,007,108.70 = 462,202.60 : x - Step 2: Convert to fraction form
672,327.40/1,007,108.70 = 462,202.60/x - Step 3: Cross multiply
672,327.40x = 1,007,108.70 × 462,202.60 - Step 4: Simplify right side
672,327.40x = 465,488,259,622.62 - Step 5: Solve for x
x = 465,488,259,622.62/672,327.40 - Step 6: Final answer
x = 692,353.55
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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.