Finding the Fourth Proportional to 898,582.09, 1,240,045.42 and 490,684.72
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Solution
The fourth proportional to 898,582.09, 1,240,045.42 and 490,684.72 is: 677,146.08
Step by Step Solution
- Step 1: Write the proportion equation
898,582.09 : 1,240,045.42 = 490,684.72 : x - Step 2: Convert to fraction form
898,582.09/1,240,045.42 = 490,684.72/x - Step 3: Cross multiply
898,582.09x = 1,240,045.42 × 490,684.72 - Step 4: Simplify right side
898,582.09x = 608,471,339,699.98 - Step 5: Solve for x
x = 608,471,339,699.98/898,582.09 - Step 6: Final answer
x = 677,146.08
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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.