Finding the Fourth Proportional to 876,971.37, 1,210,224.17 and 474,563.37
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Solution
The fourth proportional to 876,971.37, 1,210,224.17 and 474,563.37 is: 654,899.44
Step by Step Solution
- Step 1: Write the proportion equation
876,971.37 : 1,210,224.17 = 474,563.37 : x - Step 2: Convert to fraction form
876,971.37/1,210,224.17 = 474,563.37/x - Step 3: Cross multiply
876,971.37x = 1,210,224.17 × 474,563.37 - Step 4: Simplify right side
876,971.37x = 574,328,058,598.09 - Step 5: Solve for x
x = 574,328,058,598.09/876,971.37 - Step 6: Final answer
x = 654,899.44
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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.