Finding the Fourth Proportional to 755,608.08, 1,042,764.60 and 411,457.31
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Solution
The fourth proportional to 755,608.08, 1,042,764.60 and 411,457.31 is: 567,824.95
Step by Step Solution
- Step 1: Write the proportion equation
755,608.08 : 1,042,764.60 = 411,457.31 : x - Step 2: Convert to fraction form
755,608.08/1,042,764.60 = 411,457.31/x - Step 3: Cross multiply
755,608.08x = 1,042,764.60 × 411,457.31 - Step 4: Simplify right side
755,608.08x = 429,053,117,279.23 - Step 5: Solve for x
x = 429,053,117,279.23/755,608.08 - Step 6: Final answer
x = 567,824.95
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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.