Finding the Fourth Proportional to 738,509.13, 1,107,762.78 and 265,194.95
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Solution
The fourth proportional to 738,509.13, 1,107,762.78 and 265,194.95 is: 397,792.09
Step by Step Solution
- Step 1: Write the proportion equation
738,509.13 : 1,107,762.78 = 265,194.95 : x - Step 2: Convert to fraction form
738,509.13/1,107,762.78 = 265,194.95/x - Step 3: Cross multiply
738,509.13x = 1,107,762.78 × 265,194.95 - Step 4: Simplify right side
738,509.13x = 293,773,090,509.63 - Step 5: Solve for x
x = 293,773,090,509.63/738,509.13 - Step 6: Final answer
x = 397,792.09
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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.