Finding the Fourth Proportional to 964,198.62, 1,330,454.16 and 534,478.68
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Solution
The fourth proportional to 964,198.62, 1,330,454.16 and 534,478.68 is: 737,503.01
Step by Step Solution
- Step 1: Write the proportion equation
964,198.62 : 1,330,454.16 = 534,478.68 : x - Step 2: Convert to fraction form
964,198.62/1,330,454.16 = 534,478.68/x - Step 3: Cross multiply
964,198.62x = 1,330,454.16 × 534,478.68 - Step 4: Simplify right side
964,198.62x = 711,099,383,237.31 - Step 5: Solve for x
x = 711,099,383,237.31/964,198.62 - Step 6: Final answer
x = 737,503.01
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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.