Finding the Fourth Proportional to 472,838.64, 708,324.84 and 354,643.44
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Solution
The fourth proportional to 472,838.64, 708,324.84 and 354,643.44 is: 531,265.29
Step by Step Solution
- Step 1: Write the proportion equation
472,838.64 : 708,324.84 = 354,643.44 : x - Step 2: Convert to fraction form
472,838.64/708,324.84 = 354,643.44/x - Step 3: Cross multiply
472,838.64x = 708,324.84 × 354,643.44 - Step 4: Simplify right side
472,838.64x = 251,202,757,895.05 - Step 5: Solve for x
x = 251,202,757,895.05/472,838.64 - Step 6: Final answer
x = 531,265.29
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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.