Finding the Fourth Proportional to 982,461.31, 1,473,691.79 and 272,489.42
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Solution
The fourth proportional to 982,461.31, 1,473,691.79 and 272,489.42 is: 408,734.09
Step by Step Solution
- Step 1: Write the proportion equation
982,461.31 : 1,473,691.79 = 272,489.42 : x - Step 2: Convert to fraction form
982,461.31/1,473,691.79 = 272,489.42/x - Step 3: Cross multiply
982,461.31x = 1,473,691.79 × 272,489.42 - Step 4: Simplify right side
982,461.31x = 401,565,425,481.32 - Step 5: Solve for x
x = 401,565,425,481.32/982,461.31 - Step 6: Final answer
x = 408,734.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.