Finding the Fourth Proportional to 511,117.10, 704,863.20 and 403,943.18
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Solution
The fourth proportional to 511,117.10, 704,863.20 and 403,943.18 is: 557,063.50
Step by Step Solution
- Step 1: Write the proportion equation
511,117.10 : 704,863.20 = 403,943.18 : x - Step 2: Convert to fraction form
511,117.10/704,863.20 = 403,943.18/x - Step 3: Cross multiply
511,117.10x = 704,863.20 × 403,943.18 - Step 4: Simplify right side
511,117.10x = 284,724,682,472.98 - Step 5: Solve for x
x = 284,724,682,472.98/511,117.10 - Step 6: Final answer
x = 557,063.50
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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.