Finding the Fourth Proportional to 657,742.26, 907,684.30 and 355,936.26
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Solution
The fourth proportional to 657,742.26, 907,684.30 and 355,936.26 is: 491,192.03
Step by Step Solution
- Step 1: Write the proportion equation
657,742.26 : 907,684.30 = 355,936.26 : x - Step 2: Convert to fraction form
657,742.26/907,684.30 = 355,936.26/x - Step 3: Cross multiply
657,742.26x = 907,684.30 × 355,936.26 - Step 4: Simplify right side
657,742.26x = 323,077,755,002.72 - Step 5: Solve for x
x = 323,077,755,002.72/657,742.26 - Step 6: Final answer
x = 491,192.03
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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.