Finding the Fourth Proportional to 887,755.68, 1,224,279.36 and 565,129.44
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Solution
The fourth proportional to 887,755.68, 1,224,279.36 and 565,129.44 is: 779,354.42
Step by Step Solution
- Step 1: Write the proportion equation
887,755.68 : 1,224,279.36 = 565,129.44 : x - Step 2: Convert to fraction form
887,755.68/1,224,279.36 = 565,129.44/x - Step 3: Cross multiply
887,755.68x = 1,224,279.36 × 565,129.44 - Step 4: Simplify right side
887,755.68x = 691,876,309,120.36 - Step 5: Solve for x
x = 691,876,309,120.36/887,755.68 - Step 6: Final answer
x = 779,354.42
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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.