Finding the Fourth Proportional to 813,537.09, 1,122,301.49 and 511,897.41
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Solution
The fourth proportional to 813,537.09, 1,122,301.49 and 511,897.41 is: 706,179.51
Step by Step Solution
- Step 1: Write the proportion equation
813,537.09 : 1,122,301.49 = 511,897.41 : x - Step 2: Convert to fraction form
813,537.09/1,122,301.49 = 511,897.41/x - Step 3: Cross multiply
813,537.09x = 1,122,301.49 × 511,897.41 - Step 4: Simplify right side
813,537.09x = 574,503,223,410.65 - Step 5: Solve for x
x = 574,503,223,410.65/813,537.09 - Step 6: Final answer
x = 706,179.51
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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.