Finding the Fourth Proportional to 913,906.14, 1,261,229.87 and 506,007.96
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Solution
The fourth proportional to 913,906.14, 1,261,229.87 and 506,007.96 is: 698,312.80
Step by Step Solution
- Step 1: Write the proportion equation
913,906.14 : 1,261,229.87 = 506,007.96 : x - Step 2: Convert to fraction form
913,906.14/1,261,229.87 = 506,007.96/x - Step 3: Cross multiply
913,906.14x = 1,261,229.87 × 506,007.96 - Step 4: Simplify right side
913,906.14x = 638,192,353,609.77 - Step 5: Solve for x
x = 638,192,353,609.77/913,906.14 - Step 6: Final answer
x = 698,312.80
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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.