Finding the Fourth Proportional to 789,900.92, 1,184,934.81 and 257,463.62
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Solution
The fourth proportional to 789,900.92, 1,184,934.81 and 257,463.62 is: 386,222.62
Step by Step Solution
- Step 1: Write the proportion equation
789,900.92 : 1,184,934.81 = 257,463.62 : x - Step 2: Convert to fraction form
789,900.92/1,184,934.81 = 257,463.62/x - Step 3: Cross multiply
789,900.92x = 1,184,934.81 × 257,463.62 - Step 4: Simplify right side
789,900.92x = 305,077,605,646.61 - Step 5: Solve for x
x = 305,077,605,646.61/789,900.92 - Step 6: Final answer
x = 386,222.62
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1.5x scale
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.