Finding the Fourth Proportional to 826,083.81, 1,239,107.49 and 339,663.42
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Solution
The fourth proportional to 826,083.81, 1,239,107.49 and 339,663.42 is: 509,487.64
Step by Step Solution
- Step 1: Write the proportion equation
826,083.81 : 1,239,107.49 = 339,663.42 : x - Step 2: Convert to fraction form
826,083.81/1,239,107.49 = 339,663.42/x - Step 3: Cross multiply
826,083.81x = 1,239,107.49 × 339,663.42 - Step 4: Simplify right side
826,083.81x = 420,879,487,801.02 - Step 5: Solve for x
x = 420,879,487,801.02/826,083.81 - Step 6: Final answer
x = 509,487.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.