Finding the Fourth Proportional to 416,614.42, 574,497.93 and 356,384.44
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Solution
The fourth proportional to 416,614.42, 574,497.93 and 356,384.44 is: 491,442.72
Step by Step Solution
- Step 1: Write the proportion equation
416,614.42 : 574,497.93 = 356,384.44 : x - Step 2: Convert to fraction form
416,614.42/574,497.93 = 356,384.44/x - Step 3: Cross multiply
416,614.42x = 574,497.93 × 356,384.44 - Step 4: Simplify right side
416,614.42x = 204,742,123,064.21 - Step 5: Solve for x
x = 204,742,123,064.21/416,614.42 - Step 6: Final answer
x = 491,442.72
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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.