Finding the Fourth Proportional to 472,042.80, 707,027.40 and 284,727.60
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Solution
The fourth proportional to 472,042.80, 707,027.40 and 284,727.60 is: 426,466.02
Step by Step Solution
- Step 1: Write the proportion equation
472,042.80 : 707,027.40 = 284,727.60 : x - Step 2: Convert to fraction form
472,042.80/707,027.40 = 284,727.60/x - Step 3: Cross multiply
472,042.80x = 707,027.40 × 284,727.60 - Step 4: Simplify right side
472,042.80x = 201,310,214,736.24 - Step 5: Solve for x
x = 201,310,214,736.24/472,042.80 - Step 6: Final answer
x = 426,466.02
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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.