Finding the Fourth Proportional to 529,629.84, 730,880.58 and 287,918.52
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Solution
The fourth proportional to 529,629.84, 730,880.58 and 287,918.52 is: 397,322.88
Step by Step Solution
- Step 1: Write the proportion equation
529,629.84 : 730,880.58 = 287,918.52 : x - Step 2: Convert to fraction form
529,629.84/730,880.58 = 287,918.52/x - Step 3: Cross multiply
529,629.84x = 730,880.58 × 287,918.52 - Step 4: Simplify right side
529,629.84x = 210,434,053,229.23 - Step 5: Solve for x
x = 210,434,053,229.23/529,629.84 - Step 6: Final answer
x = 397,322.88
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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.