Finding the Fourth Proportional to 853,136.36, 1,278,201.18 and 760,469.48
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Solution
The fourth proportional to 853,136.36, 1,278,201.18 and 760,469.48 is: 1,139,364.15
Step by Step Solution
- Step 1: Write the proportion equation
853,136.36 : 1,278,201.18 = 760,469.48 : x - Step 2: Convert to fraction form
853,136.36/1,278,201.18 = 760,469.48/x - Step 3: Cross multiply
853,136.36x = 1,278,201.18 × 760,469.48 - Step 4: Simplify right side
853,136.36x = 972,032,986,689.99 - Step 5: Solve for x
x = 972,032,986,689.99/853,136.36 - Step 6: Final answer
x = 1,139,364.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.