Finding the Fourth Proportional to 756,604.80, 1,134,907.20 and 283,265.10
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Solution
The fourth proportional to 756,604.80, 1,134,907.20 and 283,265.10 is: 424,897.65
Step by Step Solution
- Step 1: Write the proportion equation
756,604.80 : 1,134,907.20 = 283,265.10 : x - Step 2: Convert to fraction form
756,604.80/1,134,907.20 = 283,265.10/x - Step 3: Cross multiply
756,604.80x = 1,134,907.20 × 283,265.10 - Step 4: Simplify right side
756,604.80x = 321,479,601,498.72 - Step 5: Solve for x
x = 321,479,601,498.72/756,604.80 - Step 6: Final answer
x = 424,897.65
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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.