Finding the Fourth Proportional to 671,286.96, 926,375.99 and 369,480.96
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Solution
The fourth proportional to 671,286.96, 926,375.99 and 369,480.96 is: 509,883.71
Step by Step Solution
- Step 1: Write the proportion equation
671,286.96 : 926,375.99 = 369,480.96 : x - Step 2: Convert to fraction form
671,286.96/926,375.99 = 369,480.96/x - Step 3: Cross multiply
671,286.96x = 926,375.99 × 369,480.96 - Step 4: Simplify right side
671,286.96x = 342,278,288,258.75 - Step 5: Solve for x
x = 342,278,288,258.75/671,286.96 - Step 6: Final answer
x = 509,883.71
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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.