Finding the Fourth Proportional to 539,090.26, 744,183.68 and 348,196.75
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Solution
The fourth proportional to 539,090.26, 744,183.68 and 348,196.75 is: 480,665.96
Step by Step Solution
- Step 1: Write the proportion equation
539,090.26 : 744,183.68 = 348,196.75 : x - Step 2: Convert to fraction form
539,090.26/744,183.68 = 348,196.75/x - Step 3: Cross multiply
539,090.26x = 744,183.68 × 348,196.75 - Step 4: Simplify right side
539,090.26x = 259,122,338,779.04 - Step 5: Solve for x
x = 259,122,338,779.04/539,090.26 - Step 6: Final answer
x = 480,665.96
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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.