Finding the Fourth Proportional to 858,104.40, 1,184,193.36 and 476,137.56
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Solution
The fourth proportional to 858,104.40, 1,184,193.36 and 476,137.56 is: 657,074.99
Step by Step Solution
- Step 1: Write the proportion equation
858,104.40 : 1,184,193.36 = 476,137.56 : x - Step 2: Convert to fraction form
858,104.40/1,184,193.36 = 476,137.56/x - Step 3: Cross multiply
858,104.40x = 1,184,193.36 × 476,137.56 - Step 4: Simplify right side
858,104.40x = 563,838,936,998.60 - Step 5: Solve for x
x = 563,838,936,998.60/858,104.40 - Step 6: Final answer
x = 657,074.99
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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.