Finding the Fourth Proportional to 875,460.77, 1,207,930.17 and 531,289.01
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Solution
The fourth proportional to 875,460.77, 1,207,930.17 and 531,289.01 is: 733,054.01
Step by Step Solution
- Step 1: Write the proportion equation
875,460.77 : 1,207,930.17 = 531,289.01 : x - Step 2: Convert to fraction form
875,460.77/1,207,930.17 = 531,289.01/x - Step 3: Cross multiply
875,460.77x = 1,207,930.17 × 531,289.01 - Step 4: Simplify right side
875,460.77x = 641,760,024,168.43 - Step 5: Solve for x
x = 641,760,024,168.43/875,460.77 - Step 6: Final answer
x = 733,054.01
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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.