Finding the Fourth Proportional to 877,486.13, 1,316,062.73 and 427,754.69
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Solution
The fourth proportional to 877,486.13, 1,316,062.73 and 427,754.69 is: 641,550.88
Step by Step Solution
- Step 1: Write the proportion equation
877,486.13 : 1,316,062.73 = 427,754.69 : x - Step 2: Convert to fraction form
877,486.13/1,316,062.73 = 427,754.69/x - Step 3: Cross multiply
877,486.13x = 1,316,062.73 × 427,754.69 - Step 4: Simplify right side
877,486.13x = 562,951,996,372.62 - Step 5: Solve for x
x = 562,951,996,372.62/877,486.13 - Step 6: Final answer
x = 641,550.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.