Finding the Fourth Proportional to 866,445.21, 1,299,671.46 and 568,809.09
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Solution
The fourth proportional to 866,445.21, 1,299,671.46 and 568,809.09 is: 853,216.03
Step by Step Solution
- Step 1: Write the proportion equation
866,445.21 : 1,299,671.46 = 568,809.09 : x - Step 2: Convert to fraction form
866,445.21/1,299,671.46 = 568,809.09/x - Step 3: Cross multiply
866,445.21x = 1,299,671.46 × 568,809.09 - Step 4: Simplify right side
866,445.21x = 739,264,940,461.57 - Step 5: Solve for x
x = 739,264,940,461.57/866,445.21 - Step 6: Final answer
x = 853,216.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.