Finding the Fourth Proportional to 757,344.18, 1,045,062.36 and 417,790.56
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Solution
The fourth proportional to 757,344.18, 1,045,062.36 and 417,790.56 is: 576,510.92
Step by Step Solution
- Step 1: Write the proportion equation
757,344.18 : 1,045,062.36 = 417,790.56 : x - Step 2: Convert to fraction form
757,344.18/1,045,062.36 = 417,790.56/x - Step 3: Cross multiply
757,344.18x = 1,045,062.36 × 417,790.56 - Step 4: Simplify right side
757,344.18x = 436,617,188,619.32 - Step 5: Solve for x
x = 436,617,188,619.32/757,344.18 - Step 6: Final answer
x = 576,510.92
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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.