Finding the Fourth Proportional to 853,568.91, 1,177,972.34 and 471,587.49
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Solution
The fourth proportional to 853,568.91, 1,177,972.34 and 471,587.49 is: 650,816.84
Step by Step Solution
- Step 1: Write the proportion equation
853,568.91 : 1,177,972.34 = 471,587.49 : x - Step 2: Convert to fraction form
853,568.91/1,177,972.34 = 471,587.49/x - Step 3: Cross multiply
853,568.91x = 1,177,972.34 × 471,587.49 - Step 4: Simplify right side
853,568.91x = 555,517,016,752.09 - Step 5: Solve for x
x = 555,517,016,752.09/853,568.91 - Step 6: Final answer
x = 650,816.84
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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.