Finding the Fourth Proportional to 786,588.84, 1,086,561.07 and 616,652.26
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Solution
The fourth proportional to 786,588.84, 1,086,561.07 and 616,652.26 is: 851,817.75
Step by Step Solution
- Step 1: Write the proportion equation
786,588.84 : 1,086,561.07 = 616,652.26 : x - Step 2: Convert to fraction form
786,588.84/1,086,561.07 = 616,652.26/x - Step 3: Cross multiply
786,588.84x = 1,086,561.07 × 616,652.26 - Step 4: Simplify right side
786,588.84x = 670,030,335,185.49 - Step 5: Solve for x
x = 670,030,335,185.49/786,588.84 - Step 6: Final answer
x = 851,817.75
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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.