Finding the Fourth Proportional to 569,617.95, 853,679.49 and 419,153.70
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Solution
The fourth proportional to 569,617.95, 853,679.49 and 419,153.70 is: 628,180.55
Step by Step Solution
- Step 1: Write the proportion equation
569,617.95 : 853,679.49 = 419,153.70 : x - Step 2: Convert to fraction form
569,617.95/853,679.49 = 419,153.70/x - Step 3: Cross multiply
569,617.95x = 853,679.49 × 419,153.70 - Step 4: Simplify right side
569,617.95x = 357,822,916,847.61 - Step 5: Solve for x
x = 357,822,916,847.61/569,617.95 - Step 6: Final answer
x = 628,180.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.