Finding the Fourth Proportional to 756,353.30, 1,043,767.57 and 416,821.55
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Solution
The fourth proportional to 756,353.30, 1,043,767.57 and 416,821.55 is: 575,213.74
Step by Step Solution
- Step 1: Write the proportion equation
756,353.30 : 1,043,767.57 = 416,821.55 : x - Step 2: Convert to fraction form
756,353.30/1,043,767.57 = 416,821.55/x - Step 3: Cross multiply
756,353.30x = 1,043,767.57 × 416,821.55 - Step 4: Simplify right side
756,353.30x = 435,064,809,064.19 - Step 5: Solve for x
x = 435,064,809,064.19/756,353.30 - Step 6: Final answer
x = 575,213.74
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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.