Finding the Fourth Proportional to 790,471.59, 1,184,980.84 and 284,908.84
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Solution
The fourth proportional to 790,471.59, 1,184,980.84 and 284,908.84 is: 427,101.39
Step by Step Solution
- Step 1: Write the proportion equation
790,471.59 : 1,184,980.84 = 284,908.84 : x - Step 2: Convert to fraction form
790,471.59/1,184,980.84 = 284,908.84/x - Step 3: Cross multiply
790,471.59x = 1,184,980.84 × 284,908.84 - Step 4: Simplify right side
790,471.59x = 337,611,512,871.90 - Step 5: Solve for x
x = 337,611,512,871.90/790,471.59 - Step 6: Final answer
x = 427,101.39
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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.