Finding the Fourth Proportional to 957,028.19, 1,320,728.81 and 549,204.63
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Solution
The fourth proportional to 957,028.19, 1,320,728.81 and 549,204.63 is: 757,919.55
Step by Step Solution
- Step 1: Write the proportion equation
957,028.19 : 1,320,728.81 = 549,204.63 : x - Step 2: Convert to fraction form
957,028.19/1,320,728.81 = 549,204.63/x - Step 3: Cross multiply
957,028.19x = 1,320,728.81 × 549,204.63 - Step 4: Simplify right side
957,028.19x = 725,350,377,426.39 - Step 5: Solve for x
x = 725,350,377,426.39/957,028.19 - Step 6: Final answer
x = 757,919.55
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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.