Finding the Fourth Proportional to 741,522.08, 1,023,261.09 and 419,212.95
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Solution
The fourth proportional to 741,522.08, 1,023,261.09 and 419,212.95 is: 578,491.61
Step by Step Solution
- Step 1: Write the proportion equation
741,522.08 : 1,023,261.09 = 419,212.95 : x - Step 2: Convert to fraction form
741,522.08/1,023,261.09 = 419,212.95/x - Step 3: Cross multiply
741,522.08x = 1,023,261.09 × 419,212.95 - Step 4: Simplify right side
741,522.08x = 428,964,300,159.12 - Step 5: Solve for x
x = 428,964,300,159.12/741,522.08 - Step 6: Final answer
x = 578,491.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.