Finding the Fourth Proportional to 684,060.70, 944,184.55 and 393,708.00
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Solution
The fourth proportional to 684,060.70, 944,184.55 and 393,708.00 is: 543,421.09
Step by Step Solution
- Step 1: Write the proportion equation
684,060.70 : 944,184.55 = 393,708.00 : x - Step 2: Convert to fraction form
684,060.70/944,184.55 = 393,708.00/x - Step 3: Cross multiply
684,060.70x = 944,184.55 × 393,708.00 - Step 4: Simplify right side
684,060.70x = 371,733,007,074.75 - Step 5: Solve for x
x = 371,733,007,074.75/684,060.70 - Step 6: Final answer
x = 543,421.09
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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.