Finding the Fourth Proportional to 611,834.68, 917,770.12 and 292,020.26
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Solution
The fourth proportional to 611,834.68, 917,770.12 and 292,020.26 is: 438,039.03
Step by Step Solution
- Step 1: Write the proportion equation
611,834.68 : 917,770.12 = 292,020.26 : x - Step 2: Convert to fraction form
611,834.68/917,770.12 = 292,020.26/x - Step 3: Cross multiply
611,834.68x = 917,770.12 × 292,020.26 - Step 4: Simplify right side
611,834.68x = 268,007,469,062.63 - Step 5: Solve for x
x = 268,007,469,062.63/611,834.68 - Step 6: Final answer
x = 438,039.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.