Finding the Fourth Proportional to 912,576.62, 1,369,057.72 and 343,945.68
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Solution
The fourth proportional to 912,576.62, 1,369,057.72 and 343,945.68 is: 515,991.18
Step by Step Solution
- Step 1: Write the proportion equation
912,576.62 : 1,369,057.72 = 343,945.68 : x - Step 2: Convert to fraction form
912,576.62/1,369,057.72 = 343,945.68/x - Step 3: Cross multiply
912,576.62x = 1,369,057.72 × 343,945.68 - Step 4: Simplify right side
912,576.62x = 470,881,488,464.65 - Step 5: Solve for x
x = 470,881,488,464.65/912,576.62 - Step 6: Final answer
x = 515,991.18
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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.