Finding the Fourth Proportional to 492,203.40, 738,305.10 and 487,537.80
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Solution
The fourth proportional to 492,203.40, 738,305.10 and 487,537.80 is: 731,306.70
Step by Step Solution
- Step 1: Write the proportion equation
492,203.40 : 738,305.10 = 487,537.80 : x - Step 2: Convert to fraction form
492,203.40/738,305.10 = 487,537.80/x - Step 3: Cross multiply
492,203.40x = 738,305.10 × 487,537.80 - Step 4: Simplify right side
492,203.40x = 359,951,644,182.78 - Step 5: Solve for x
x = 359,951,644,182.78/492,203.40 - Step 6: Final answer
x = 731,306.70
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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.