Finding the Fourth Proportional to 866,583.36, 1,299,503.28 and 298,021.68
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Solution
The fourth proportional to 866,583.36, 1,299,503.28 and 298,021.68 is: 446,904.67
Step by Step Solution
- Step 1: Write the proportion equation
866,583.36 : 1,299,503.28 = 298,021.68 : x - Step 2: Convert to fraction form
866,583.36/1,299,503.28 = 298,021.68/x - Step 3: Cross multiply
866,583.36x = 1,299,503.28 × 298,021.68 - Step 4: Simplify right side
866,583.36x = 387,280,150,671.11 - Step 5: Solve for x
x = 387,280,150,671.11/866,583.36 - Step 6: Final answer
x = 446,904.67
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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.