Finding the Fourth Proportional to 528,034.60, 789,747.90 and 472,277.80
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Solution
The fourth proportional to 528,034.60, 789,747.90 and 472,277.80 is: 706,355.99
Step by Step Solution
- Step 1: Write the proportion equation
528,034.60 : 789,747.90 = 472,277.80 : x - Step 2: Convert to fraction form
528,034.60/789,747.90 = 472,277.80/x - Step 3: Cross multiply
528,034.60x = 789,747.90 × 472,277.80 - Step 4: Simplify right side
528,034.60x = 372,980,400,766.62 - Step 5: Solve for x
x = 372,980,400,766.62/528,034.60 - Step 6: Final answer
x = 706,355.99
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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.