Finding the Fourth Proportional to 692,916.09, 1,032,969.05 and 681,996.62
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Solution
The fourth proportional to 692,916.09, 1,032,969.05 and 681,996.62 is: 1,016,690.77
Step by Step Solution
- Step 1: Write the proportion equation
692,916.09 : 1,032,969.05 = 681,996.62 : x - Step 2: Convert to fraction form
692,916.09/1,032,969.05 = 681,996.62/x - Step 3: Cross multiply
692,916.09x = 1,032,969.05 × 681,996.62 - Step 4: Simplify right side
692,916.09x = 704,481,395,499.77 - Step 5: Solve for x
x = 704,481,395,499.77/692,916.09 - Step 6: Final answer
x = 1,016,690.77
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.