Finding the Fourth Proportional to 566,278.46, 781,464.41 and 311,629.65
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Solution
The fourth proportional to 566,278.46, 781,464.41 and 311,629.65 is: 430,048.99
Step by Step Solution
- Step 1: Write the proportion equation
566,278.46 : 781,464.41 = 311,629.65 : x - Step 2: Convert to fraction form
566,278.46/781,464.41 = 311,629.65/x - Step 3: Cross multiply
566,278.46x = 781,464.41 × 311,629.65 - Step 4: Simplify right side
566,278.46x = 243,527,477,255.73 - Step 5: Solve for x
x = 243,527,477,255.73/566,278.46 - Step 6: Final answer
x = 430,048.99
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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.