Finding the Fourth Proportional to 858,556.42, 1,184,748.58 and 476,553.13
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Solution
The fourth proportional to 858,556.42, 1,184,748.58 and 476,553.13 is: 657,610.42
Step by Step Solution
- Step 1: Write the proportion equation
858,556.42 : 1,184,748.58 = 476,553.13 : x - Step 2: Convert to fraction form
858,556.42/1,184,748.58 = 476,553.13/x - Step 3: Cross multiply
858,556.42x = 1,184,748.58 × 476,553.13 - Step 4: Simplify right side
858,556.42x = 564,595,644,062.06 - Step 5: Solve for x
x = 564,595,644,062.06/858,556.42 - Step 6: Final answer
x = 657,610.42
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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.