Finding the Fourth Proportional to 637,491.62, 879,741.06 and 382,847.06
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Solution
The fourth proportional to 637,491.62, 879,741.06 and 382,847.06 is: 528,330.52
Step by Step Solution
- Step 1: Write the proportion equation
637,491.62 : 879,741.06 = 382,847.06 : x - Step 2: Convert to fraction form
637,491.62/879,741.06 = 382,847.06/x - Step 3: Cross multiply
637,491.62x = 879,741.06 × 382,847.06 - Step 4: Simplify right side
637,491.62x = 336,806,278,382.28 - Step 5: Solve for x
x = 336,806,278,382.28/637,491.62 - Step 6: Final answer
x = 528,330.52
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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.