Finding the Fourth Proportional to 738,503.53, 1,107,312.37 and 338,643.39
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Solution
The fourth proportional to 738,503.53, 1,107,312.37 and 338,643.39 is: 507,761.97
Step by Step Solution
- Step 1: Write the proportion equation
738,503.53 : 1,107,312.37 = 338,643.39 : x - Step 2: Convert to fraction form
738,503.53/1,107,312.37 = 338,643.39/x - Step 3: Cross multiply
738,503.53x = 1,107,312.37 × 338,643.39 - Step 4: Simplify right side
738,503.53x = 374,984,009,766.70 - Step 5: Solve for x
x = 374,984,009,766.70/738,503.53 - Step 6: Final answer
x = 507,761.97
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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.