Finding the Fourth Proportional to 858,047.68, 1,184,137.60 and 518,450.24
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Solution
The fourth proportional to 858,047.68, 1,184,137.60 and 518,450.24 is: 715,480.55
Step by Step Solution
- Step 1: Write the proportion equation
858,047.68 : 1,184,137.60 = 518,450.24 : x - Step 2: Convert to fraction form
858,047.68/1,184,137.60 = 518,450.24/x - Step 3: Cross multiply
858,047.68x = 1,184,137.60 × 518,450.24 - Step 4: Simplify right side
858,047.68x = 613,916,422,913.02 - Step 5: Solve for x
x = 613,916,422,913.02/858,047.68 - Step 6: Final answer
x = 715,480.55
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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.