Finding the Fourth Proportional to 793,707.92, 1,095,743.40 and 612,021.68
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Solution
The fourth proportional to 793,707.92, 1,095,743.40 and 612,021.68 is: 844,918.77
Step by Step Solution
- Step 1: Write the proportion equation
793,707.92 : 1,095,743.40 = 612,021.68 : x - Step 2: Convert to fraction form
793,707.92/1,095,743.40 = 612,021.68/x - Step 3: Cross multiply
793,707.92x = 1,095,743.40 × 612,021.68 - Step 4: Simplify right side
793,707.92x = 670,618,716,516.91 - Step 5: Solve for x
x = 670,618,716,516.91/793,707.92 - Step 6: Final answer
x = 844,918.77
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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.