Finding the Fourth Proportional to 539,135.60, 744,095.16 and 324,394.07
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Solution
The fourth proportional to 539,135.60, 744,095.16 and 324,394.07 is: 447,716.78
Step by Step Solution
- Step 1: Write the proportion equation
539,135.60 : 744,095.16 = 324,394.07 : x - Step 2: Convert to fraction form
539,135.60/744,095.16 = 324,394.07/x - Step 3: Cross multiply
539,135.60x = 744,095.16 × 324,394.07 - Step 4: Simplify right side
539,135.60x = 241,380,053,699.23 - Step 5: Solve for x
x = 241,380,053,699.23/539,135.60 - Step 6: Final answer
x = 447,716.78
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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.