Finding the Fourth Proportional to 738,341.93, 1,107,512.90 and 528,389.93
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Solution
The fourth proportional to 738,341.93, 1,107,512.90 and 528,389.93 is: 792,584.90
Step by Step Solution
- Step 1: Write the proportion equation
738,341.93 : 1,107,512.90 = 528,389.93 : x - Step 2: Convert to fraction form
738,341.93/1,107,512.90 = 528,389.93/x - Step 3: Cross multiply
738,341.93x = 1,107,512.90 × 528,389.93 - Step 4: Simplify right side
738,341.93x = 585,198,663,705.10 - Step 5: Solve for x
x = 585,198,663,705.10/738,341.93 - Step 6: Final answer
x = 792,584.90
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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.