Finding the Fourth Proportional to 858,263.68, 1,184,418.89 and 471,115.27
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Solution
The fourth proportional to 858,263.68, 1,184,418.89 and 471,115.27 is: 650,147.31
Step by Step Solution
- Step 1: Write the proportion equation
858,263.68 : 1,184,418.89 = 471,115.27 : x - Step 2: Convert to fraction form
858,263.68/1,184,418.89 = 471,115.27/x - Step 3: Cross multiply
858,263.68x = 1,184,418.89 × 471,115.27 - Step 4: Simplify right side
858,263.68x = 557,997,826,047.08 - Step 5: Solve for x
x = 557,997,826,047.08/858,263.68 - Step 6: Final answer
x = 650,147.31
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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.