Finding the Fourth Proportional to 858,310.10, 1,184,460.27 and 471,114.05
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Solution
The fourth proportional to 858,310.10, 1,184,460.27 and 471,114.05 is: 650,133.18
Step by Step Solution
- Step 1: Write the proportion equation
858,310.10 : 1,184,460.27 = 471,114.05 : x - Step 2: Convert to fraction form
858,310.10/1,184,460.27 = 471,114.05/x - Step 3: Cross multiply
858,310.10x = 1,184,460.27 × 471,114.05 - Step 4: Simplify right side
858,310.10x = 558,015,872,508.22 - Step 5: Solve for x
x = 558,015,872,508.22/858,310.10 - Step 6: Final answer
x = 650,133.18
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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.