Finding the Fourth Proportional to 461,715.80, 692,573.70 and 415,059.80
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Solution
The fourth proportional to 461,715.80, 692,573.70 and 415,059.80 is: 622,589.70
Step by Step Solution
- Step 1: Write the proportion equation
461,715.80 : 692,573.70 = 415,059.80 : x - Step 2: Convert to fraction form
461,715.80/692,573.70 = 415,059.80/x - Step 3: Cross multiply
461,715.80x = 692,573.70 × 415,059.80 - Step 4: Simplify right side
461,715.80x = 287,459,501,407.26 - Step 5: Solve for x
x = 287,459,501,407.26/461,715.80 - Step 6: Final answer
x = 622,589.70
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1.5x scale
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.