Finding the Fourth Proportional to 672,645.15, 927,285.84 and 529,156.08
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Solution
The fourth proportional to 672,645.15, 927,285.84 and 529,156.08 is: 729,476.66
Step by Step Solution
- Step 1: Write the proportion equation
672,645.15 : 927,285.84 = 529,156.08 : x - Step 2: Convert to fraction form
672,645.15/927,285.84 = 529,156.08/x - Step 3: Cross multiply
672,645.15x = 927,285.84 × 529,156.08 - Step 4: Simplify right side
672,645.15x = 490,678,940,133.91 - Step 5: Solve for x
x = 490,678,940,133.91/672,645.15 - Step 6: Final answer
x = 729,476.66
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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.