Finding the Fourth Proportional to 697,982.10, 1,047,494.22 and 518,481.99
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Solution
The fourth proportional to 697,982.10, 1,047,494.22 and 518,481.99 is: 778,110.05
Step by Step Solution
- Step 1: Write the proportion equation
697,982.10 : 1,047,494.22 = 518,481.99 : x - Step 2: Convert to fraction form
697,982.10/1,047,494.22 = 518,481.99/x - Step 3: Cross multiply
697,982.10x = 1,047,494.22 × 518,481.99 - Step 4: Simplify right side
697,982.10x = 543,106,887,699.10 - Step 5: Solve for x
x = 543,106,887,699.10/697,982.10 - Step 6: Final answer
x = 778,110.05
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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.