Finding the Fourth Proportional to 704,620.96, 972,312.72 and 418,091.68
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Solution
The fourth proportional to 704,620.96, 972,312.72 and 418,091.68 is: 576,928.42
Step by Step Solution
- Step 1: Write the proportion equation
704,620.96 : 972,312.72 = 418,091.68 : x - Step 2: Convert to fraction form
704,620.96/972,312.72 = 418,091.68/x - Step 3: Cross multiply
704,620.96x = 972,312.72 × 418,091.68 - Step 4: Simplify right side
704,620.96x = 406,515,858,590.17 - Step 5: Solve for x
x = 406,515,858,590.17/704,620.96 - Step 6: Final answer
x = 576,928.42
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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.