Finding the Fourth Proportional to 874,174.08, 1,311,471.09 and 334,421.53
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Solution
The fourth proportional to 874,174.08, 1,311,471.09 and 334,421.53 is: 501,712.62
Step by Step Solution
- Step 1: Write the proportion equation
874,174.08 : 1,311,471.09 = 334,421.53 : x - Step 2: Convert to fraction form
874,174.08/1,311,471.09 = 334,421.53/x - Step 3: Cross multiply
874,174.08x = 1,311,471.09 × 334,421.53 - Step 4: Simplify right side
874,174.08x = 438,584,162,278.29 - Step 5: Solve for x
x = 438,584,162,278.29/874,174.08 - Step 6: Final answer
x = 501,712.62
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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.