Finding the Fourth Proportional to 764,532.36, 1,055,118.42 and 425,032.20
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Solution
The fourth proportional to 764,532.36, 1,055,118.42 and 425,032.20 is: 586,579.88
Step by Step Solution
- Step 1: Write the proportion equation
764,532.36 : 1,055,118.42 = 425,032.20 : x - Step 2: Convert to fraction form
764,532.36/1,055,118.42 = 425,032.20/x - Step 3: Cross multiply
764,532.36x = 1,055,118.42 × 425,032.20 - Step 4: Simplify right side
764,532.36x = 448,459,303,313.12 - Step 5: Solve for x
x = 448,459,303,313.12/764,532.36 - Step 6: Final answer
x = 586,579.88
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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.