Finding the Fourth Proportional to 539,422.78, 744,249.99 and 324,455.26
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Solution
The fourth proportional to 539,422.78, 744,249.99 and 324,455.26 is: 447,655.96
Step by Step Solution
- Step 1: Write the proportion equation
539,422.78 : 744,249.99 = 324,455.26 : x - Step 2: Convert to fraction form
539,422.78/744,249.99 = 324,455.26/x - Step 3: Cross multiply
539,422.78x = 744,249.99 × 324,455.26 - Step 4: Simplify right side
539,422.78x = 241,475,824,010.45 - Step 5: Solve for x
x = 241,475,824,010.45/539,422.78 - Step 6: Final answer
x = 447,655.96
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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.