Finding the Fourth Proportional to 543,520.65, 811,621.02 and 443,878.65
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Solution
The fourth proportional to 543,520.65, 811,621.02 and 443,878.65 is: 662,828.99
Step by Step Solution
- Step 1: Write the proportion equation
543,520.65 : 811,621.02 = 443,878.65 : x - Step 2: Convert to fraction form
543,520.65/811,621.02 = 443,878.65/x - Step 3: Cross multiply
543,520.65x = 811,621.02 × 443,878.65 - Step 4: Simplify right side
543,520.65x = 360,261,242,669.22 - Step 5: Solve for x
x = 360,261,242,669.22/543,520.65 - Step 6: Final answer
x = 662,828.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.