Finding the Fourth Proportional to 591,129.24, 815,759.32 and 336,480.48
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Solution
The fourth proportional to 591,129.24, 815,759.32 and 336,480.48 is: 464,343.61
Step by Step Solution
- Step 1: Write the proportion equation
591,129.24 : 815,759.32 = 336,480.48 : x - Step 2: Convert to fraction form
591,129.24/815,759.32 = 336,480.48/x - Step 3: Cross multiply
591,129.24x = 815,759.32 × 336,480.48 - Step 4: Simplify right side
591,129.24x = 274,487,087,558.07 - Step 5: Solve for x
x = 274,487,087,558.07/591,129.24 - Step 6: Final answer
x = 464,343.61
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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.