Finding the Fourth Proportional to 815,509.23, 1,125,396.09 and 447,992.52
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Solution
The fourth proportional to 815,509.23, 1,125,396.09 and 447,992.52 is: 618,226.03
Step by Step Solution
- Step 1: Write the proportion equation
815,509.23 : 1,125,396.09 = 447,992.52 : x - Step 2: Convert to fraction form
815,509.23/1,125,396.09 = 447,992.52/x - Step 3: Cross multiply
815,509.23x = 1,125,396.09 × 447,992.52 - Step 4: Simplify right side
815,509.23x = 504,169,030,357.25 - Step 5: Solve for x
x = 504,169,030,357.25/815,509.23 - Step 6: Final answer
x = 618,226.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.