Finding the Fourth Proportional to 793,820.09, 1,095,472.68 and 431,244.19
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Solution
The fourth proportional to 793,820.09, 1,095,472.68 and 431,244.19 is: 595,117.50
Step by Step Solution
- Step 1: Write the proportion equation
793,820.09 : 1,095,472.68 = 431,244.19 : x - Step 2: Convert to fraction form
793,820.09/1,095,472.68 = 431,244.19/x - Step 3: Cross multiply
793,820.09x = 1,095,472.68 × 431,244.19 - Step 4: Simplify right side
793,820.09x = 472,416,228,553.73 - Step 5: Solve for x
x = 472,416,228,553.73/793,820.09 - Step 6: Final answer
x = 595,117.50
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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.