Finding the Fourth Proportional to 920,770.08, 1,270,581.84 and 512,841.12
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Solution
The fourth proportional to 920,770.08, 1,270,581.84 and 512,841.12 is: 707,675.70
Step by Step Solution
- Step 1: Write the proportion equation
920,770.08 : 1,270,581.84 = 512,841.12 : x - Step 2: Convert to fraction form
920,770.08/1,270,581.84 = 512,841.12/x - Step 3: Cross multiply
920,770.08x = 1,270,581.84 × 512,841.12 - Step 4: Simplify right side
920,770.08x = 651,606,613,877.26 - Step 5: Solve for x
x = 651,606,613,877.26/920,770.08 - Step 6: Final answer
x = 707,675.70
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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.