Finding the Fourth Proportional to 539,105.26, 744,204.42 and 348,211.75
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Solution
The fourth proportional to 539,105.26, 744,204.42 and 348,211.75 is: 480,686.69
Step by Step Solution
- Step 1: Write the proportion equation
539,105.26 : 744,204.42 = 348,211.75 : x - Step 2: Convert to fraction form
539,105.26/744,204.42 = 348,211.75/x - Step 3: Cross multiply
539,105.26x = 744,204.42 × 348,211.75 - Step 4: Simplify right side
539,105.26x = 259,140,723,445.94 - Step 5: Solve for x
x = 259,140,723,445.94/539,105.26 - Step 6: Final answer
x = 480,686.69
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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.