Finding the Fourth Proportional to 488,445.68, 674,055.05 and 297,459.07
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Solution
The fourth proportional to 488,445.68, 674,055.05 and 297,459.07 is: 410,493.52
Step by Step Solution
- Step 1: Write the proportion equation
488,445.68 : 674,055.05 = 297,459.07 : x - Step 2: Convert to fraction form
488,445.68/674,055.05 = 297,459.07/x - Step 3: Cross multiply
488,445.68x = 674,055.05 × 297,459.07 - Step 4: Simplify right side
488,445.68x = 200,503,785,129.37 - Step 5: Solve for x
x = 200,503,785,129.37/488,445.68 - Step 6: Final answer
x = 410,493.52
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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.