Finding the Fourth Proportional to 815,338.07, 1,125,194.69 and 452,768.00
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Solution
The fourth proportional to 815,338.07, 1,125,194.69 and 452,768.00 is: 624,835.47
Step by Step Solution
- Step 1: Write the proportion equation
815,338.07 : 1,125,194.69 = 452,768.00 : x - Step 2: Convert to fraction form
815,338.07/1,125,194.69 = 452,768.00/x - Step 3: Cross multiply
815,338.07x = 1,125,194.69 × 452,768.00 - Step 4: Simplify right side
815,338.07x = 509,452,141,512.11 - Step 5: Solve for x
x = 509,452,141,512.11/815,338.07 - Step 6: Final answer
x = 624,835.47
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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.