Finding the Fourth Proportional to 729,010.23, 1,006,058.28 and 397,884.26
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Solution
The fourth proportional to 729,010.23, 1,006,058.28 and 397,884.26 is: 549,093.46
Step by Step Solution
- Step 1: Write the proportion equation
729,010.23 : 1,006,058.28 = 397,884.26 : x - Step 2: Convert to fraction form
729,010.23/1,006,058.28 = 397,884.26/x - Step 3: Cross multiply
729,010.23x = 1,006,058.28 × 397,884.26 - Step 4: Simplify right side
729,010.23x = 400,294,747,234.96 - Step 5: Solve for x
x = 400,294,747,234.96/729,010.23 - Step 6: Final answer
x = 549,093.46
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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.