Finding the Fourth Proportional to 621,803.48, 930,774.48 and 336,786.12
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Solution
The fourth proportional to 621,803.48, 930,774.48 and 336,786.12 is: 504,133.44
Step by Step Solution
- Step 1: Write the proportion equation
621,803.48 : 930,774.48 = 336,786.12 : x - Step 2: Convert to fraction form
621,803.48/930,774.48 = 336,786.12/x - Step 3: Cross multiply
621,803.48x = 930,774.48 × 336,786.12 - Step 4: Simplify right side
621,803.48x = 313,471,925,714.22 - Step 5: Solve for x
x = 313,471,925,714.22/621,803.48 - Step 6: Final answer
x = 504,133.44
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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.