Finding the Fourth Proportional to 858,021.75, 1,184,070.17 and 476,047.62
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Solution
The fourth proportional to 858,021.75, 1,184,070.17 and 476,047.62 is: 656,945.80
Step by Step Solution
- Step 1: Write the proportion equation
858,021.75 : 1,184,070.17 = 476,047.62 : x - Step 2: Convert to fraction form
858,021.75/1,184,070.17 = 476,047.62/x - Step 3: Cross multiply
858,021.75x = 1,184,070.17 × 476,047.62 - Step 4: Simplify right side
858,021.75x = 563,673,783,961.26 - Step 5: Solve for x
x = 563,673,783,961.26/858,021.75 - Step 6: Final answer
x = 656,945.80
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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.