Finding the Fourth Proportional to 591,193.67, 815,605.74 and 436,515.66
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Solution
The fourth proportional to 591,193.67, 815,605.74 and 436,515.66 is: 602,213.28
Step by Step Solution
- Step 1: Write the proportion equation
591,193.67 : 815,605.74 = 436,515.66 : x - Step 2: Convert to fraction form
591,193.67/815,605.74 = 436,515.66/x - Step 3: Cross multiply
591,193.67x = 815,605.74 × 436,515.66 - Step 4: Simplify right side
591,193.67x = 356,024,677,895.89 - Step 5: Solve for x
x = 356,024,677,895.89/591,193.67 - Step 6: Final answer
x = 602,213.28
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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.