Finding the Fourth Proportional to 762,687.02, 1,052,505.19 and 418,528.65
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Solution
The fourth proportional to 762,687.02, 1,052,505.19 and 418,528.65 is: 577,567.95
Step by Step Solution
- Step 1: Write the proportion equation
762,687.02 : 1,052,505.19 = 418,528.65 : x - Step 2: Convert to fraction form
762,687.02/1,052,505.19 = 418,528.65/x - Step 3: Cross multiply
762,687.02x = 1,052,505.19 × 418,528.65 - Step 4: Simplify right side
762,687.02x = 440,503,580,758.75 - Step 5: Solve for x
x = 440,503,580,758.75/762,687.02 - Step 6: Final answer
x = 577,567.95
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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.