Finding the Fourth Proportional to 896,857.70, 1,344,576.12 and 447,347.19
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Solution
The fourth proportional to 896,857.70, 1,344,576.12 and 447,347.19 is: 670,666.43
Step by Step Solution
- Step 1: Write the proportion equation
896,857.70 : 1,344,576.12 = 447,347.19 : x - Step 2: Convert to fraction form
896,857.70/1,344,576.12 = 447,347.19/x - Step 3: Cross multiply
896,857.70x = 1,344,576.12 × 447,347.19 - Step 4: Simplify right side
896,857.70x = 601,492,352,382.96 - Step 5: Solve for x
x = 601,492,352,382.96/896,857.70 - Step 6: Final answer
x = 670,666.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.