Finding the Fourth Proportional to 545,329.09, 816,775.51 and 395,224.80
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Solution
The fourth proportional to 545,329.09, 816,775.51 and 395,224.80 is: 591,954.37
Step by Step Solution
- Step 1: Write the proportion equation
545,329.09 : 816,775.51 = 395,224.80 : x - Step 2: Convert to fraction form
545,329.09/816,775.51 = 395,224.80/x - Step 3: Cross multiply
545,329.09x = 816,775.51 × 395,224.80 - Step 4: Simplify right side
545,329.09x = 322,809,937,584.65 - Step 5: Solve for x
x = 322,809,937,584.65/545,329.09 - Step 6: Final answer
x = 591,954.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.