Finding the Fourth Proportional to 858,340.96, 1,183,687.68 and 514,121.92
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Solution
The fourth proportional to 858,340.96, 1,183,687.68 and 514,121.92 is: 708,995.39
Step by Step Solution
- Step 1: Write the proportion equation
858,340.96 : 1,183,687.68 = 514,121.92 : x - Step 2: Convert to fraction form
858,340.96/1,183,687.68 = 514,121.92/x - Step 3: Cross multiply
858,340.96x = 1,183,687.68 × 514,121.92 - Step 4: Simplify right side
858,340.96x = 608,559,782,721.95 - Step 5: Solve for x
x = 608,559,782,721.95/858,340.96 - Step 6: Final answer
x = 708,995.39
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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.