Finding the Fourth Proportional to 553,832.44, 764,289.45 and 299,183.63
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Solution
The fourth proportional to 553,832.44, 764,289.45 and 299,183.63 is: 412,873.77
Step by Step Solution
- Step 1: Write the proportion equation
553,832.44 : 764,289.45 = 299,183.63 : x - Step 2: Convert to fraction form
553,832.44/764,289.45 = 299,183.63/x - Step 3: Cross multiply
553,832.44x = 764,289.45 × 299,183.63 - Step 4: Simplify right side
553,832.44x = 228,662,888,200.26 - Step 5: Solve for x
x = 228,662,888,200.26/553,832.44 - Step 6: Final answer
x = 412,873.77
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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.