Finding the Fourth Proportional to 672,029.70, 1,008,044.55 and 423,197.70
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Solution
The fourth proportional to 672,029.70, 1,008,044.55 and 423,197.70 is: 634,796.55
Step by Step Solution
- Step 1: Write the proportion equation
672,029.70 : 1,008,044.55 = 423,197.70 : x - Step 2: Convert to fraction form
672,029.70/1,008,044.55 = 423,197.70/x - Step 3: Cross multiply
672,029.70x = 1,008,044.55 × 423,197.70 - Step 4: Simplify right side
672,029.70x = 426,602,135,057.54 - Step 5: Solve for x
x = 426,602,135,057.54/672,029.70 - Step 6: Final answer
x = 634,796.55
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1.5x scale
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.