Finding the Fourth Proportional to 511,223.24, 705,490.87 and 296,490.62
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Solution
The fourth proportional to 511,223.24, 705,490.87 and 296,490.62 is: 409,158.68
Step by Step Solution
- Step 1: Write the proportion equation
511,223.24 : 705,490.87 = 296,490.62 : x - Step 2: Convert to fraction form
511,223.24/705,490.87 = 296,490.62/x - Step 3: Cross multiply
511,223.24x = 705,490.87 × 296,490.62 - Step 4: Simplify right side
511,223.24x = 209,171,425,450.64 - Step 5: Solve for x
x = 209,171,425,450.64/511,223.24 - Step 6: Final answer
x = 409,158.68
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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.