Finding the Fourth Proportional to 858,549.12, 1,287,823.68 and 297,583.68
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Solution
The fourth proportional to 858,549.12, 1,287,823.68 and 297,583.68 is: 446,375.52
Step by Step Solution
- Step 1: Write the proportion equation
858,549.12 : 1,287,823.68 = 297,583.68 : x - Step 2: Convert to fraction form
858,549.12/1,287,823.68 = 297,583.68/x - Step 3: Cross multiply
858,549.12x = 1,287,823.68 × 297,583.68 - Step 4: Simplify right side
858,549.12x = 383,235,309,885.54 - Step 5: Solve for x
x = 383,235,309,885.54/858,549.12 - Step 6: Final answer
x = 446,375.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.