Finding the Fourth Proportional to 721,346.62, 1,082,318.00 and 316,329.26
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Solution
The fourth proportional to 721,346.62, 1,082,318.00 and 316,329.26 is: 474,624.59
Step by Step Solution
- Step 1: Write the proportion equation
721,346.62 : 1,082,318.00 = 316,329.26 : x - Step 2: Convert to fraction form
721,346.62/1,082,318.00 = 316,329.26/x - Step 3: Cross multiply
721,346.62x = 1,082,318.00 × 316,329.26 - Step 4: Simplify right side
721,346.62x = 342,368,847,456.20 - Step 5: Solve for x
x = 342,368,847,456.20/721,346.62 - Step 6: Final answer
x = 474,624.59
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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.