Finding the Fourth Proportional to 875,438.48, 1,207,899.40 and 531,266.62
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Solution
The fourth proportional to 875,438.48, 1,207,899.40 and 531,266.62 is: 733,023.10
Step by Step Solution
- Step 1: Write the proportion equation
875,438.48 : 1,207,899.40 = 531,266.62 : x - Step 2: Convert to fraction form
875,438.48/1,207,899.40 = 531,266.62/x - Step 3: Cross multiply
875,438.48x = 1,207,899.40 × 531,266.62 - Step 4: Simplify right side
875,438.48x = 641,716,627,190.11 - Step 5: Solve for x
x = 641,716,627,190.11/875,438.48 - Step 6: Final answer
x = 733,023.10
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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.