Finding the Fourth Proportional to 743,176.96, 1,026,009.12 and 489,266.26
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Solution
The fourth proportional to 743,176.96, 1,026,009.12 and 489,266.26 is: 675,467.18
Step by Step Solution
- Step 1: Write the proportion equation
743,176.96 : 1,026,009.12 = 489,266.26 : x - Step 2: Convert to fraction form
743,176.96/1,026,009.12 = 489,266.26/x - Step 3: Cross multiply
743,176.96x = 1,026,009.12 × 489,266.26 - Step 4: Simplify right side
743,176.96x = 501,991,644,868.29 - Step 5: Solve for x
x = 501,991,644,868.29/743,176.96 - Step 6: Final answer
x = 675,467.18
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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.