Finding the Fourth Proportional to 898,468.26, 1,239,876.72 and 490,568.79
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Solution
The fourth proportional to 898,468.26, 1,239,876.72 and 490,568.79 is: 676,979.75
Step by Step Solution
- Step 1: Write the proportion equation
898,468.26 : 1,239,876.72 = 490,568.79 : x - Step 2: Convert to fraction form
898,468.26/1,239,876.72 = 490,568.79/x - Step 3: Cross multiply
898,468.26x = 1,239,876.72 × 490,568.79 - Step 4: Simplify right side
898,468.26x = 608,244,822,279.57 - Step 5: Solve for x
x = 608,244,822,279.57/898,468.26 - Step 6: Final answer
x = 676,979.75
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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.