Finding the Fourth Proportional to 558,516.07, 770,755.53 and 303,869.08
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Solution
The fourth proportional to 558,516.07, 770,755.53 and 303,869.08 is: 419,341.15
Step by Step Solution
- Step 1: Write the proportion equation
558,516.07 : 770,755.53 = 303,869.08 : x - Step 2: Convert to fraction form
558,516.07/770,755.53 = 303,869.08/x - Step 3: Cross multiply
558,516.07x = 770,755.53 × 303,869.08 - Step 4: Simplify right side
558,516.07x = 234,208,773,806.01 - Step 5: Solve for x
x = 234,208,773,806.01/558,516.07 - Step 6: Final answer
x = 419,341.15
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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.