Finding the Fourth Proportional to 691,624.32, 1,037,186.94 and 292,296
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Solution
The fourth proportional to 691,624.32, 1,037,186.94 and 292,296 is: 438,338.54
Step by Step Solution
- Step 1: Write the proportion equation
691,624.32 : 1,037,186.94 = 292,296 : x - Step 2: Convert to fraction form
691,624.32/1,037,186.94 = 292,296/x - Step 3: Cross multiply
691,624.32x = 1,037,186.94 × 292,296 - Step 4: Simplify right side
691,624.32x = 303,165,593,814.24 - Step 5: Solve for x
x = 303,165,593,814.24/691,624.32 - Step 6: Final answer
x = 438,338.54
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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.