Finding the Fourth Proportional to 991,504.08, 1,368,275.76 and 538,794
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Solution
The fourth proportional to 991,504.08, 1,368,275.76 and 538,794 is: 743,535.79
Step by Step Solution
- Step 1: Write the proportion equation
991,504.08 : 1,368,275.76 = 538,794 : x - Step 2: Convert to fraction form
991,504.08/1,368,275.76 = 538,794/x - Step 3: Cross multiply
991,504.08x = 1,368,275.76 × 538,794 - Step 4: Simplify right side
991,504.08x = 737,218,769,833.44 - Step 5: Solve for x
x = 737,218,769,833.44/991,504.08 - Step 6: Final answer
x = 743,535.79
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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.