Finding the Fourth Proportional to 743,796.69, 1,026,461.08 and 421,496.07
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Solution
The fourth proportional to 743,796.69, 1,026,461.08 and 421,496.07 is: 581,676.84
Step by Step Solution
- Step 1: Write the proportion equation
743,796.69 : 1,026,461.08 = 421,496.07 : x - Step 2: Convert to fraction form
743,796.69/1,026,461.08 = 421,496.07/x - Step 3: Cross multiply
743,796.69x = 1,026,461.08 × 421,496.07 - Step 4: Simplify right side
743,796.69x = 432,649,306,095.65 - Step 5: Solve for x
x = 432,649,306,095.65/743,796.69 - Step 6: Final answer
x = 581,676.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.