Finding the Fourth Proportional to 982,649.40, 1,473,974.15 and 272,677.70
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Solution
The fourth proportional to 982,649.40, 1,473,974.15 and 272,677.70 is: 409,016.55
Step by Step Solution
- Step 1: Write the proportion equation
982,649.40 : 1,473,974.15 = 272,677.70 : x - Step 2: Convert to fraction form
982,649.40/1,473,974.15 = 272,677.70/x - Step 3: Cross multiply
982,649.40x = 1,473,974.15 × 272,677.70 - Step 4: Simplify right side
982,649.40x = 401,919,872,348.20 - Step 5: Solve for x
x = 401,919,872,348.20/982,649.40 - Step 6: Final answer
x = 409,016.55
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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.