Finding the Fourth Proportional to 989,224.96, 1,483,946.48 and 315,149.44
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Solution
The fourth proportional to 989,224.96, 1,483,946.48 and 315,149.44 is: 472,758.90
Step by Step Solution
- Step 1: Write the proportion equation
989,224.96 : 1,483,946.48 = 315,149.44 : x - Step 2: Convert to fraction form
989,224.96/1,483,946.48 = 315,149.44/x - Step 3: Cross multiply
989,224.96x = 1,483,946.48 × 315,149.44 - Step 4: Simplify right side
989,224.96x = 467,664,902,161.97 - Step 5: Solve for x
x = 467,664,902,161.97/989,224.96 - Step 6: Final answer
x = 472,758.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.