Finding the Fourth Proportional to 800,824.08, 1,105,136.91 and 438,247.92
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Solution
The fourth proportional to 800,824.08, 1,105,136.91 and 438,247.92 is: 604,781.95
Step by Step Solution
- Step 1: Write the proportion equation
800,824.08 : 1,105,136.91 = 438,247.92 : x - Step 2: Convert to fraction form
800,824.08/1,105,136.91 = 438,247.92/x - Step 3: Cross multiply
800,824.08x = 1,105,136.91 × 438,247.92 - Step 4: Simplify right side
800,824.08x = 484,323,952,122.73 - Step 5: Solve for x
x = 484,323,952,122.73/800,824.08 - Step 6: Final answer
x = 604,781.95
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1.5x scale
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.