Finding the Fourth Proportional to 881,761.09, 1,216,942.86 and 519,218.68
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Solution
The fourth proportional to 881,761.09, 1,216,942.86 and 519,218.68 is: 716,588.06
Step by Step Solution
- Step 1: Write the proportion equation
881,761.09 : 1,216,942.86 = 519,218.68 : x - Step 2: Convert to fraction form
881,761.09/1,216,942.86 = 519,218.68/x - Step 3: Cross multiply
881,761.09x = 1,216,942.86 × 519,218.68 - Step 4: Simplify right side
881,761.09x = 631,859,465,404.63 - Step 5: Solve for x
x = 631,859,465,404.63/881,761.09 - Step 6: Final answer
x = 716,588.06
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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.