Finding the Fourth Proportional to 743,803.41, 1,115,261.64 and 294,588.75
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Solution
The fourth proportional to 743,803.41, 1,115,261.64 and 294,588.75 is: 441,707.48
Step by Step Solution
- Step 1: Write the proportion equation
743,803.41 : 1,115,261.64 = 294,588.75 : x - Step 2: Convert to fraction form
743,803.41/1,115,261.64 = 294,588.75/x - Step 3: Cross multiply
743,803.41x = 1,115,261.64 × 294,588.75 - Step 4: Simplify right side
743,803.41x = 328,543,532,450.55 - Step 5: Solve for x
x = 328,543,532,450.55/743,803.41 - Step 6: Final answer
x = 441,707.48
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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.