Finding the Fourth Proportional to 543,497.09, 811,585.71 and 443,854.94
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Solution
The fourth proportional to 543,497.09, 811,585.71 and 443,854.94 is: 662,793.48
Step by Step Solution
- Step 1: Write the proportion equation
543,497.09 : 811,585.71 = 443,854.94 : x - Step 2: Convert to fraction form
543,497.09/811,585.71 = 443,854.94/x - Step 3: Cross multiply
543,497.09x = 811,585.71 × 443,854.94 - Step 4: Simplify right side
543,497.09x = 360,226,322,558.98 - Step 5: Solve for x
x = 360,226,322,558.98/543,497.09 - Step 6: Final answer
x = 662,793.48
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.