Finding the Fourth Proportional to 858,206.14, 1,184,339.54 and 471,057.80
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Solution
The fourth proportional to 858,206.14, 1,184,339.54 and 471,057.80 is: 650,068.03
Step by Step Solution
- Step 1: Write the proportion equation
858,206.14 : 1,184,339.54 = 471,057.80 : x - Step 2: Convert to fraction form
858,206.14/1,184,339.54 = 471,057.80/x - Step 3: Cross multiply
858,206.14x = 1,184,339.54 × 471,057.80 - Step 4: Simplify right side
858,206.14x = 557,892,373,421.36 - Step 5: Solve for x
x = 557,892,373,421.36/858,206.14 - Step 6: Final answer
x = 650,068.03
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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.