Finding the Fourth Proportional to 474,128.41, 709,442.99 and 284,704.13
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Solution
The fourth proportional to 474,128.41, 709,442.99 and 284,704.13 is: 426,005.58
Step by Step Solution
- Step 1: Write the proportion equation
474,128.41 : 709,442.99 = 284,704.13 : x - Step 2: Convert to fraction form
474,128.41/709,442.99 = 284,704.13/x - Step 3: Cross multiply
474,128.41x = 709,442.99 × 284,704.13 - Step 4: Simplify right side
474,128.41x = 201,981,349,252.55 - Step 5: Solve for x
x = 201,981,349,252.55/474,128.41 - Step 6: Final answer
x = 426,005.58
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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.