Finding the Fourth Proportional to 855,916.35, 1,182,394.92 and 683,608.09
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Solution
The fourth proportional to 855,916.35, 1,182,394.92 and 683,608.09 is: 944,361.83
Step by Step Solution
- Step 1: Write the proportion equation
855,916.35 : 1,182,394.92 = 683,608.09 : x - Step 2: Convert to fraction form
855,916.35/1,182,394.92 = 683,608.09/x - Step 3: Cross multiply
855,916.35x = 1,182,394.92 × 683,608.09 - Step 4: Simplify right side
855,916.35x = 808,294,729,468.86 - Step 5: Solve for x
x = 808,294,729,468.86/855,916.35 - Step 6: Final answer
x = 944,361.83
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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.