Finding the Fourth Proportional to 518,832.34, 716,321.68 and 325,504.98
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Solution
The fourth proportional to 518,832.34, 716,321.68 and 325,504.98 is: 449,405.82
Step by Step Solution
- Step 1: Write the proportion equation
518,832.34 : 716,321.68 = 325,504.98 : x - Step 2: Convert to fraction form
518,832.34/716,321.68 = 325,504.98/x - Step 3: Cross multiply
518,832.34x = 716,321.68 × 325,504.98 - Step 4: Simplify right side
518,832.34x = 233,166,273,308.20 - Step 5: Solve for x
x = 233,166,273,308.20/518,832.34 - Step 6: Final answer
x = 449,405.82
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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.