Finding the Fourth Proportional to 870,072.26, 1,201,214.49 and 548,058.38
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Solution
The fourth proportional to 870,072.26, 1,201,214.49 and 548,058.38 is: 756,644.82
Step by Step Solution
- Step 1: Write the proportion equation
870,072.26 : 1,201,214.49 = 548,058.38 : x - Step 2: Convert to fraction form
870,072.26/1,201,214.49 = 548,058.38/x - Step 3: Cross multiply
870,072.26x = 1,201,214.49 × 548,058.38 - Step 4: Simplify right side
870,072.26x = 658,335,667,421.93 - Step 5: Solve for x
x = 658,335,667,421.93/870,072.26 - Step 6: Final answer
x = 756,644.82
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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.