Finding the Fourth Proportional to 512,590.24, 707,414.16 and 297,799.84
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Solution
The fourth proportional to 512,590.24, 707,414.16 and 297,799.84 is: 410,986.80
Step by Step Solution
- Step 1: Write the proportion equation
512,590.24 : 707,414.16 = 297,799.84 : x - Step 2: Convert to fraction form
512,590.24/707,414.16 = 297,799.84/x - Step 3: Cross multiply
512,590.24x = 707,414.16 × 297,799.84 - Step 4: Simplify right side
512,590.24x = 210,667,823,661.73 - Step 5: Solve for x
x = 210,667,823,661.73/512,590.24 - Step 6: Final answer
x = 410,986.80
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1.5x scale
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.