Finding the Fourth Proportional to 959,317.09, 1,438,975.53 and 285,408.02
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Solution
The fourth proportional to 959,317.09, 1,438,975.53 and 285,408.02 is: 428,112.00
Step by Step Solution
- Step 1: Write the proportion equation
959,317.09 : 1,438,975.53 = 285,408.02 : x - Step 2: Convert to fraction form
959,317.09/1,438,975.53 = 285,408.02/x - Step 3: Cross multiply
959,317.09x = 1,438,975.53 × 285,408.02 - Step 4: Simplify right side
959,317.09x = 410,695,160,443.19 - Step 5: Solve for x
x = 410,695,160,443.19/959,317.09 - Step 6: Final answer
x = 428,112.00
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1.5x scale
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.