Finding the Fourth Proportional to 539,478.23, 744,022.87 and 324,578.14
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Solution
The fourth proportional to 539,478.23, 744,022.87 and 324,578.14 is: 447,642.82
Step by Step Solution
- Step 1: Write the proportion equation
539,478.23 : 744,022.87 = 324,578.14 : x - Step 2: Convert to fraction form
539,478.23/744,022.87 = 324,578.14/x - Step 3: Cross multiply
539,478.23x = 744,022.87 × 324,578.14 - Step 4: Simplify right side
539,478.23x = 241,493,556,590.56 - Step 5: Solve for x
x = 241,493,556,590.56/539,478.23 - Step 6: Final answer
x = 447,642.82
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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.