Finding the Fourth Proportional to 545,028.80, 816,376.80 and 451,716.80
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Solution
The fourth proportional to 545,028.80, 816,376.80 and 451,716.80 is: 676,608.49
Step by Step Solution
- Step 1: Write the proportion equation
545,028.80 : 816,376.80 = 451,716.80 : x - Step 2: Convert to fraction form
545,028.80/816,376.80 = 451,716.80/x - Step 3: Cross multiply
545,028.80x = 816,376.80 × 451,716.80 - Step 4: Simplify right side
545,028.80x = 368,771,115,690.24 - Step 5: Solve for x
x = 368,771,115,690.24/545,028.80 - Step 6: Final answer
x = 676,608.49
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1.5x scale
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.