Finding the Fourth Proportional to 738,973.53, 1,019,874.11 and 416,677.10
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Solution
The fourth proportional to 738,973.53, 1,019,874.11 and 416,677.10 is: 575,065.50
Step by Step Solution
- Step 1: Write the proportion equation
738,973.53 : 1,019,874.11 = 416,677.10 : x - Step 2: Convert to fraction form
738,973.53/1,019,874.11 = 416,677.10/x - Step 3: Cross multiply
738,973.53x = 1,019,874.11 × 416,677.10 - Step 4: Simplify right side
738,973.53x = 424,958,179,337.13 - Step 5: Solve for x
x = 424,958,179,337.13/738,973.53 - Step 6: Final answer
x = 575,065.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.