Finding the Fourth Proportional to 847,189.30, 1,169,129.36 and 465,224.08
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Solution
The fourth proportional to 847,189.30, 1,169,129.36 and 465,224.08 is: 642,013.69
Step by Step Solution
- Step 1: Write the proportion equation
847,189.30 : 1,169,129.36 = 465,224.08 : x - Step 2: Convert to fraction form
847,189.30/1,169,129.36 = 465,224.08/x - Step 3: Cross multiply
847,189.30x = 1,169,129.36 × 465,224.08 - Step 4: Simplify right side
847,189.30x = 543,907,130,906.99 - Step 5: Solve for x
x = 543,907,130,906.99/847,189.30 - Step 6: Final answer
x = 642,013.69
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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.