Finding the Fourth Proportional to 562,178.21, 775,280.16 and 447,836.99
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Solution
The fourth proportional to 562,178.21, 775,280.16 and 447,836.99 is: 617,596.21
Step by Step Solution
- Step 1: Write the proportion equation
562,178.21 : 775,280.16 = 447,836.99 : x - Step 2: Convert to fraction form
562,178.21/775,280.16 = 447,836.99/x - Step 3: Cross multiply
562,178.21x = 775,280.16 × 447,836.99 - Step 4: Simplify right side
562,178.21x = 347,199,133,261.12 - Step 5: Solve for x
x = 347,199,133,261.12/562,178.21 - Step 6: Final answer
x = 617,596.21
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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.