Finding the Fourth Proportional to 437,622.10, 656,433.15 and 403,407.70
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Solution
The fourth proportional to 437,622.10, 656,433.15 and 403,407.70 is: 605,111.55
Step by Step Solution
- Step 1: Write the proportion equation
437,622.10 : 656,433.15 = 403,407.70 : x - Step 2: Convert to fraction form
437,622.10/656,433.15 = 403,407.70/x - Step 3: Cross multiply
437,622.10x = 656,433.15 × 403,407.70 - Step 4: Simplify right side
437,622.10x = 264,810,187,245.26 - Step 5: Solve for x
x = 264,810,187,245.26/437,622.10 - Step 6: Final answer
x = 605,111.55
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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.