Finding the Fourth Proportional to 774,535.91, 1,068,684.86 and 468,604.68
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Solution
The fourth proportional to 774,535.91, 1,068,684.86 and 468,604.68 is: 646,568.77
Step by Step Solution
- Step 1: Write the proportion equation
774,535.91 : 1,068,684.86 = 468,604.68 : x - Step 2: Convert to fraction form
774,535.91/1,068,684.86 = 468,604.68/x - Step 3: Cross multiply
774,535.91x = 1,068,684.86 × 468,604.68 - Step 4: Simplify right side
774,535.91x = 500,790,724,498.12 - Step 5: Solve for x
x = 500,790,724,498.12/774,535.91 - Step 6: Final answer
x = 646,568.77
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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.