Finding the Fourth Proportional to 439,537.80, 659,306.70 and 439,537.80
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Solution
The fourth proportional to 439,537.80, 659,306.70 and 439,537.80 is: 659,306.70
Step by Step Solution
- Step 1: Write the proportion equation
439,537.80 : 659,306.70 = 439,537.80 : x - Step 2: Convert to fraction form
439,537.80/659,306.70 = 439,537.80/x - Step 3: Cross multiply
439,537.80x = 659,306.70 × 439,537.80 - Step 4: Simplify right side
439,537.80x = 289,790,216,443.26 - Step 5: Solve for x
x = 289,790,216,443.26/439,537.80 - Step 6: Final answer
x = 659,306.70
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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.