Finding the Fourth Proportional to 806,058.72, 1,112,369.87 and 438,537.95
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Solution
The fourth proportional to 806,058.72, 1,112,369.87 and 438,537.95 is: 605,187.18
Step by Step Solution
- Step 1: Write the proportion equation
806,058.72 : 1,112,369.87 = 438,537.95 : x - Step 2: Convert to fraction form
806,058.72/1,112,369.87 = 438,537.95/x - Step 3: Cross multiply
806,058.72x = 1,112,369.87 × 438,537.95 - Step 4: Simplify right side
806,058.72x = 487,816,403,019.80 - Step 5: Solve for x
x = 487,816,403,019.80/806,058.72 - Step 6: Final answer
x = 605,187.18
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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.