Finding the Fourth Proportional to 705,674.36, 1,058,351.96 and 326,386.97
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Solution
The fourth proportional to 705,674.36, 1,058,351.96 and 326,386.97 is: 489,506.64
Step by Step Solution
- Step 1: Write the proportion equation
705,674.36 : 1,058,351.96 = 326,386.97 : x - Step 2: Convert to fraction form
705,674.36/1,058,351.96 = 326,386.97/x - Step 3: Cross multiply
705,674.36x = 1,058,351.96 × 326,386.97 - Step 4: Simplify right side
705,674.36x = 345,432,282,494.27 - Step 5: Solve for x
x = 345,432,282,494.27/705,674.36 - Step 6: Final answer
x = 489,506.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.