Finding the Fourth Proportional to 579,303.12, 799,469.88 and 324,736.08
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Solution
The fourth proportional to 579,303.12, 799,469.88 and 324,736.08 is: 448,153.49
Step by Step Solution
- Step 1: Write the proportion equation
579,303.12 : 799,469.88 = 324,736.08 : x - Step 2: Convert to fraction form
579,303.12/799,469.88 = 324,736.08/x - Step 3: Cross multiply
579,303.12x = 799,469.88 × 324,736.08 - Step 4: Simplify right side
579,303.12x = 259,616,714,909.27 - Step 5: Solve for x
x = 259,616,714,909.27/579,303.12 - Step 6: Final answer
x = 448,153.49
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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.