Finding the Fourth Proportional to 757,511.10, 1,045,364.13 and 417,979.08
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Solution
The fourth proportional to 757,511.10, 1,045,364.13 and 417,979.08 is: 576,810.47
Step by Step Solution
- Step 1: Write the proportion equation
757,511.10 : 1,045,364.13 = 417,979.08 : x - Step 2: Convert to fraction form
757,511.10/1,045,364.13 = 417,979.08/x - Step 3: Cross multiply
757,511.10x = 1,045,364.13 × 417,979.08 - Step 4: Simplify right side
757,511.10x = 436,940,337,322.40 - Step 5: Solve for x
x = 436,940,337,322.40/757,511.10 - Step 6: Final answer
x = 576,810.47
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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.