Finding the Fourth Proportional to 512,346.24, 707,065.20 and 297,553.68
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Solution
The fourth proportional to 512,346.24, 707,065.20 and 297,553.68 is: 410,639.98
Step by Step Solution
- Step 1: Write the proportion equation
512,346.24 : 707,065.20 = 297,553.68 : x - Step 2: Convert to fraction form
512,346.24/707,065.20 = 297,553.68/x - Step 3: Cross multiply
512,346.24x = 707,065.20 × 297,553.68 - Step 4: Simplify right side
512,346.24x = 210,389,852,259.94 - Step 5: Solve for x
x = 210,389,852,259.94/512,346.24 - Step 6: Final answer
x = 410,639.98
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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.