Finding the Fourth Proportional to 741,644.76, 1,111,807.36 and 268,224.88
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Solution
The fourth proportional to 741,644.76, 1,111,807.36 and 268,224.88 is: 402,098.70
Step by Step Solution
- Step 1: Write the proportion equation
741,644.76 : 1,111,807.36 = 268,224.88 : x - Step 2: Convert to fraction form
741,644.76/1,111,807.36 = 268,224.88/x - Step 3: Cross multiply
741,644.76x = 1,111,807.36 × 268,224.88 - Step 4: Simplify right side
741,644.76x = 298,214,395,719.12 - Step 5: Solve for x
x = 298,214,395,719.12/741,644.76 - Step 6: Final answer
x = 402,098.70
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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.