Finding the Fourth Proportional to 764,858.24, 1,055,460.84 and 425,319.20
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Solution
The fourth proportional to 764,858.24, 1,055,460.84 and 425,319.20 is: 586,916.29
Step by Step Solution
- Step 1: Write the proportion equation
764,858.24 : 1,055,460.84 = 425,319.20 : x - Step 2: Convert to fraction form
764,858.24/1,055,460.84 = 425,319.20/x - Step 3: Cross multiply
764,858.24x = 1,055,460.84 × 425,319.20 - Step 4: Simplify right side
764,858.24x = 448,907,760,100.13 - Step 5: Solve for x
x = 448,907,760,100.13/764,858.24 - Step 6: Final answer
x = 586,916.29
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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.