Finding the Fourth Proportional to 791,395.26, 1,092,180.88 and 447,262.99
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Solution
The fourth proportional to 791,395.26, 1,092,180.88 and 447,262.99 is: 617,254.25
Step by Step Solution
- Step 1: Write the proportion equation
791,395.26 : 1,092,180.88 = 447,262.99 : x - Step 2: Convert to fraction form
791,395.26/1,092,180.88 = 447,262.99/x - Step 3: Cross multiply
791,395.26x = 1,092,180.88 × 447,262.99 - Step 4: Simplify right side
791,395.26x = 488,492,086,910.02 - Step 5: Solve for x
x = 488,492,086,910.02/791,395.26 - Step 6: Final answer
x = 617,254.25
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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.