Finding the Fourth Proportional to 692,878.12, 1,032,912.50 and 681,958.67
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Solution
The fourth proportional to 692,878.12, 1,032,912.50 and 681,958.67 is: 1,016,634.26
Step by Step Solution
- Step 1: Write the proportion equation
692,878.12 : 1,032,912.50 = 681,958.67 : x - Step 2: Convert to fraction form
692,878.12/1,032,912.50 = 681,958.67/x - Step 3: Cross multiply
692,878.12x = 1,032,912.50 × 681,958.67 - Step 4: Simplify right side
692,878.12x = 704,403,629,988.04 - Step 5: Solve for x
x = 704,403,629,988.04/692,878.12 - Step 6: Final answer
x = 1,016,634.26
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.