Finding the Fourth Proportional to 815,508.23, 1,125,394.71 and 447,991.52
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Solution
The fourth proportional to 815,508.23, 1,125,394.71 and 447,991.52 is: 618,224.65
Step by Step Solution
- Step 1: Write the proportion equation
815,508.23 : 1,125,394.71 = 447,991.52 : x - Step 2: Convert to fraction form
815,508.23/1,125,394.71 = 447,991.52/x - Step 3: Cross multiply
815,508.23x = 1,125,394.71 × 447,991.52 - Step 4: Simplify right side
815,508.23x = 504,167,286,732.86 - Step 5: Solve for x
x = 504,167,286,732.86/815,508.23 - Step 6: Final answer
x = 618,224.65
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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.