Finding the Fourth Proportional to 913,910.18, 1,261,469.36 and 591,642.02
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Solution
The fourth proportional to 913,910.18, 1,261,469.36 and 591,642.02 is: 816,642.93
Step by Step Solution
- Step 1: Write the proportion equation
913,910.18 : 1,261,469.36 = 591,642.02 : x - Step 2: Convert to fraction form
913,910.18/1,261,469.36 = 591,642.02/x - Step 3: Cross multiply
913,910.18x = 1,261,469.36 × 591,642.02 - Step 4: Simplify right side
913,910.18x = 746,338,284,951.29 - Step 5: Solve for x
x = 746,338,284,951.29/913,910.18 - Step 6: Final answer
x = 816,642.93
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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.