Finding the Fourth Proportional to 801,321.44, 1,201,785.36 and 268,830.56
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Solution
The fourth proportional to 801,321.44, 1,201,785.36 and 268,830.56 is: 403,179.82
Step by Step Solution
- Step 1: Write the proportion equation
801,321.44 : 1,201,785.36 = 268,830.56 : x - Step 2: Convert to fraction form
801,321.44/1,201,785.36 = 268,830.56/x - Step 3: Cross multiply
801,321.44x = 1,201,785.36 × 268,830.56 - Step 4: Simplify right side
801,321.44x = 323,076,631,328.60 - Step 5: Solve for x
x = 323,076,631,328.60/801,321.44 - Step 6: Final answer
x = 403,179.82
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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.