Finding the Fourth Proportional to 756,139.70, 1,134,537.60 and 382,162.70
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Solution
The fourth proportional to 756,139.70, 1,134,537.60 and 382,162.70 is: 573,409.85
Step by Step Solution
- Step 1: Write the proportion equation
756,139.70 : 1,134,537.60 = 382,162.70 : x - Step 2: Convert to fraction form
756,139.70/1,134,537.60 = 382,162.70/x - Step 3: Cross multiply
756,139.70x = 1,134,537.60 × 382,162.70 - Step 4: Simplify right side
756,139.70x = 433,577,952,467.52 - Step 5: Solve for x
x = 433,577,952,467.52/756,139.70 - Step 6: Final answer
x = 573,409.85
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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.