Finding the Fourth Proportional to 811,224.42, 1,119,630.17 and 488,934.88
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Solution
The fourth proportional to 811,224.42, 1,119,630.17 and 488,934.88 is: 674,814.80
Step by Step Solution
- Step 1: Write the proportion equation
811,224.42 : 1,119,630.17 = 488,934.88 : x - Step 2: Convert to fraction form
811,224.42/1,119,630.17 = 488,934.88/x - Step 3: Cross multiply
811,224.42x = 1,119,630.17 × 488,934.88 - Step 4: Simplify right side
811,224.42x = 547,426,242,813.33 - Step 5: Solve for x
x = 547,426,242,813.33/811,224.42 - Step 6: Final answer
x = 674,814.80
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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.