Finding the Fourth Proportional to 1,049,704.84, 1,574,807.12 and 339,732.88
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Solution
The fourth proportional to 1,049,704.84, 1,574,807.12 and 339,732.88 is: 509,680.19
Step by Step Solution
- Step 1: Write the proportion equation
1,049,704.84 : 1,574,807.12 = 339,732.88 : x - Step 2: Convert to fraction form
1,049,704.84/1,574,807.12 = 339,732.88/x - Step 3: Cross multiply
1,049,704.84x = 1,574,807.12 × 339,732.88 - Step 4: Simplify right side
1,049,704.84x = 535,013,758,322.11 - Step 5: Solve for x
x = 535,013,758,322.11/1,049,704.84 - Step 6: Final answer
x = 509,680.19
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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.