Finding the Fourth Proportional to 512,313.62, 706,939.11 and 297,411.71
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Solution
The fourth proportional to 512,313.62, 706,939.11 and 297,411.71 is: 410,396.99
Step by Step Solution
- Step 1: Write the proportion equation
512,313.62 : 706,939.11 = 297,411.71 : x - Step 2: Convert to fraction form
512,313.62/706,939.11 = 297,411.71/x - Step 3: Cross multiply
512,313.62x = 706,939.11 × 297,411.71 - Step 4: Simplify right side
512,313.62x = 210,251,966,036.28 - Step 5: Solve for x
x = 210,251,966,036.28/512,313.62 - Step 6: Final answer
x = 410,396.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.