Finding the Fourth Proportional to 518,782.44, 716,252.97 and 325,455.21
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Solution
The fourth proportional to 518,782.44, 716,252.97 and 325,455.21 is: 449,337.22
Step by Step Solution
- Step 1: Write the proportion equation
518,782.44 : 716,252.97 = 325,455.21 : x - Step 2: Convert to fraction form
518,782.44/716,252.97 = 325,455.21/x - Step 3: Cross multiply
518,782.44x = 716,252.97 × 325,455.21 - Step 4: Simplify right side
518,782.44x = 233,108,260,764.47 - Step 5: Solve for x
x = 233,108,260,764.47/518,782.44 - Step 6: Final answer
x = 449,337.22
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1.5x scale
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.