Finding the Fourth Proportional to 853,428.36, 1,177,687.62 and 471,381.24
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Solution
The fourth proportional to 853,428.36, 1,177,687.62 and 471,381.24 is: 650,482.08
Step by Step Solution
- Step 1: Write the proportion equation
853,428.36 : 1,177,687.62 = 471,381.24 : x - Step 2: Convert to fraction form
853,428.36/1,177,687.62 = 471,381.24/x - Step 3: Cross multiply
853,428.36x = 1,177,687.62 × 471,381.24 - Step 4: Simplify right side
853,428.36x = 555,139,850,648.25 - Step 5: Solve for x
x = 555,139,850,648.25/853,428.36 - Step 6: Final answer
x = 650,482.08
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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.