Finding the Fourth Proportional to 802,537.63, 1,107,571.79 and 440,030.63
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Solution
The fourth proportional to 802,537.63, 1,107,571.79 and 440,030.63 is: 607,280.58
Step by Step Solution
- Step 1: Write the proportion equation
802,537.63 : 1,107,571.79 = 440,030.63 : x - Step 2: Convert to fraction form
802,537.63/1,107,571.79 = 440,030.63/x - Step 3: Cross multiply
802,537.63x = 1,107,571.79 × 440,030.63 - Step 4: Simplify right side
802,537.63x = 487,365,516,392.93 - Step 5: Solve for x
x = 487,365,516,392.93/802,537.63 - Step 6: Final answer
x = 607,280.58
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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.