Finding the Fourth Proportional to 755,767.26, 1,043,005.98 and 416,235.42
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Solution
The fourth proportional to 755,767.26, 1,043,005.98 and 416,235.42 is: 574,430.85
Step by Step Solution
- Step 1: Write the proportion equation
755,767.26 : 1,043,005.98 = 416,235.42 : x - Step 2: Convert to fraction form
755,767.26/1,043,005.98 = 416,235.42/x - Step 3: Cross multiply
755,767.26x = 1,043,005.98 × 416,235.42 - Step 4: Simplify right side
755,767.26x = 434,136,032,147.81 - Step 5: Solve for x
x = 434,136,032,147.81/755,767.26 - Step 6: Final answer
x = 574,430.85
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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.