Finding the Fourth Proportional to 738,910.23, 1,019,681.70 and 416,614.07
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Solution
The fourth proportional to 738,910.23, 1,019,681.70 and 416,614.07 is: 574,919.28
Step by Step Solution
- Step 1: Write the proportion equation
738,910.23 : 1,019,681.70 = 416,614.07 : x - Step 2: Convert to fraction form
738,910.23/1,019,681.70 = 416,614.07/x - Step 3: Cross multiply
738,910.23x = 1,019,681.70 × 416,614.07 - Step 4: Simplify right side
738,910.23x = 424,813,738,043.11 - Step 5: Solve for x
x = 424,813,738,043.11/738,910.23 - Step 6: Final answer
x = 574,919.28
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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.