Finding the Fourth Proportional to 941,649.21, 1,299,490.70 and 511,930.98
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Solution
The fourth proportional to 941,649.21, 1,299,490.70 and 511,930.98 is: 706,472.79
Step by Step Solution
- Step 1: Write the proportion equation
941,649.21 : 1,299,490.70 = 511,930.98 : x - Step 2: Convert to fraction form
941,649.21/1,299,490.70 = 511,930.98/x - Step 3: Cross multiply
941,649.21x = 1,299,490.70 × 511,930.98 - Step 4: Simplify right side
941,649.21x = 665,249,544,992.23 - Step 5: Solve for x
x = 665,249,544,992.23/941,649.21 - Step 6: Final answer
x = 706,472.79
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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.