Finding the Fourth Proportional to 805,094.88, 1,110,861.36 and 447,391.20
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Solution
The fourth proportional to 805,094.88, 1,110,861.36 and 447,391.20 is: 617,305.62
Step by Step Solution
- Step 1: Write the proportion equation
805,094.88 : 1,110,861.36 = 447,391.20 : x - Step 2: Convert to fraction form
805,094.88/1,110,861.36 = 447,391.20/x - Step 3: Cross multiply
805,094.88x = 1,110,861.36 × 447,391.20 - Step 4: Simplify right side
805,094.88x = 496,989,596,884.03 - Step 5: Solve for x
x = 496,989,596,884.03/805,094.88 - Step 6: Final answer
x = 617,305.62
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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.