Finding the Fourth Proportional to 815,507.73, 1,125,394.02 and 447,991.02
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Solution
The fourth proportional to 815,507.73, 1,125,394.02 and 447,991.02 is: 618,223.96
Step by Step Solution
- Step 1: Write the proportion equation
815,507.73 : 1,125,394.02 = 447,991.02 : x - Step 2: Convert to fraction form
815,507.73/1,125,394.02 = 447,991.02/x - Step 3: Cross multiply
815,507.73x = 1,125,394.02 × 447,991.02 - Step 4: Simplify right side
815,507.73x = 504,166,414,921.70 - Step 5: Solve for x
x = 504,166,414,921.70/815,507.73 - Step 6: Final answer
x = 618,223.96
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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.