Finding the Fourth Proportional to 941,609.10, 1,299,392.37 and 511,878.18
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Solution
The fourth proportional to 941,609.10, 1,299,392.37 and 511,878.18 is: 706,376.56
Step by Step Solution
- Step 1: Write the proportion equation
941,609.10 : 1,299,392.37 = 511,878.18 : x - Step 2: Convert to fraction form
941,609.10/1,299,392.37 = 511,878.18/x - Step 3: Cross multiply
941,609.10x = 1,299,392.37 × 511,878.18 - Step 4: Simplify right side
941,609.10x = 665,130,601,461.49 - Step 5: Solve for x
x = 665,130,601,461.49/941,609.10 - Step 6: Final answer
x = 706,376.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.