Finding the Fourth Proportional to 912,566.62, 1,369,042.68 and 343,935.70
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Solution
The fourth proportional to 912,566.62, 1,369,042.68 and 343,935.70 is: 515,976.20
Step by Step Solution
- Step 1: Write the proportion equation
912,566.62 : 1,369,042.68 = 343,935.70 : x - Step 2: Convert to fraction form
912,566.62/1,369,042.68 = 343,935.70/x - Step 3: Cross multiply
912,566.62x = 1,369,042.68 × 343,935.70 - Step 4: Simplify right side
912,566.62x = 470,862,652,475.68 - Step 5: Solve for x
x = 470,862,652,475.68/912,566.62 - Step 6: Final answer
x = 515,976.20
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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.