Finding the Fourth Proportional to 504,431.92, 696,081.16 and 283,702.26
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Solution
The fourth proportional to 504,431.92, 696,081.16 and 283,702.26 is: 391,489.50
Step by Step Solution
- Step 1: Write the proportion equation
504,431.92 : 696,081.16 = 283,702.26 : x - Step 2: Convert to fraction form
504,431.92/696,081.16 = 283,702.26/x - Step 3: Cross multiply
504,431.92x = 696,081.16 × 283,702.26 - Step 4: Simplify right side
504,431.92x = 197,479,798,235.42 - Step 5: Solve for x
x = 197,479,798,235.42/504,431.92 - Step 6: Final answer
x = 391,489.50
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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.